回答編集履歴
2
大幅に修正しました
test
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前回の回答があまりにも適当過ぎたので書き直しました。
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think49 さんからの指摘で、summary などに対応しました。
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```js
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<!DOCTYPE html>
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<meta charset="
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<!DOCTYPE html><title></title><meta charset="utf-8">
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<title></title>
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<style>
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a:focus, datalist:focus, input:focus {
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background: rgba(255,0,0,.2);
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}
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</style>
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<body>
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<nav>
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<p>最初に[Tab]でフォーカスを移動した場合テストできる<br>
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<a href="#C">ABC</a>
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<a href="#C">DEF</a>
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<a href="#A">GHI</a><br>
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</nav>
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<form>
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<p>フォーム内のアンカータグを移動する<br>
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<a href="#C">ABC</a>
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<a href="#C">DEF</a>
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<a href="#A">GHI</a>
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<p>通常の INPUT要素<br>
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<
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1.<input name="d0" value="">
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2.<input name="d1" value="">
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<p>表示されていない要素<br>
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<input type="
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1.<input type="hidden" name="d2">
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<input type="
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2.<input type="hidden" name="d2" style="display:none;">
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<input type="
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3.<input type="hidden" name="d2" style="visibility:hidden;">
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<input type="
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4.<input type="hidden" name="d2" style="opacity: 0;">
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<p>INPUT[type=radio]要素の場合<br>
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<label>1.<input type="radio" name="d3" value="1">abc</label>
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<label>2.<input type="radio" name="d3" value="2">def</label>
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<label>3.<input type="radio" name="d3" value="3">ghi</label>
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<p>INPUT[type=checkbox]要素の場合<br>
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<label><input type="checkbox" name="d4" value="1">abc</label>
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<label><input type="checkbox" name="d4" value="2">def</label>
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<label><input type="checkbox" name="d4" value="3">ghi</label><br>
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<p>SELECT要素<br>
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<select name="d5"><option value="">-- <option value="1">abc <option value="2">def</select>
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<p>TEXTAREA要素<br>
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<
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<textarea name="d6" cols="80" rows="5">
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改行すると、その行の最初のインデントが継続されます
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改行せずに移動する場合は[Ctrl]+[Enter]、設定で逆の動作をします
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改行すると、その行の最初のインデントが継続されます
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</textarea>
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<p>DATALIST要素にSUMMARYがある場合<br>
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<details>
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<summary>Summary OPEN1</summary>
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<ol><li>abc <li>def <li>ghi</ol>
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</details>
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<details open>
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<summary>Summary OPEN2</summary>
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<ol><li>abc <li>def <li>ghi</ol>
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</details>
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<p>INPUT[type=button] / BUTTON 要素の場合<br>
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<input type="button" value="フォームの移動を無効にする" onclick="F.disabled=true">
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<input type="button" value="フォームの移動を有効にする" onclick="F.disabled=false">
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</p>
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</form>
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<script>
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/*
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[Enter] 要素を次に移動する
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[Shift]+[Enter] 前に移動する
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[Ctrl]+[Enter]: 作用する
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*/
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class ExEnter {
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constructor (root = document.documentElement, option = { }) {
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this.i
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constructor (root = document.documentElement, option = { }) {
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const
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filter = this.filter.bind (this),
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Nfilter = NodeFilter.SHOW_ELEMENT;
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this.root = root;
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this.walker = root.ownerDocument.createTreeWalker (root, Nfilter, filter, true);
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this.option = Object.assign ({ }, this.constructor.defaultOption, option);
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//IME日本語入力中で未変換文字があり Enterが押されたことを感知するには
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//keypress イベントがが実行されないことを利用する
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this.imeFlag = null; //ime
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this.disabled = false; //機能停止用
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}
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//ルートの中の最初の要素を返す
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get firstElement () {
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this.walker.currentNode = this.root;
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return this.walker.firstChild ();
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}
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//ルートの最後の要素を返す
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get lastElement () {
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this.walker.currentNode = this.root;
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return this.walker.lastChild ();
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}
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//要素を移動する
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move (target, direction = false) {
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if (this.disabled)
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return;
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const
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walker = this.walker,
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isLoop = this.option.loop;
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walker.currentNode = target;
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let e = (direction)
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? walker.previousNode () || (isLoop ? this.lastElement: null)
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: walker.nextNode () || (isLoop ? this.firstElement: null);
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if (e) e.focus ();
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}
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//TreeWalker用のフィルター関数（要.bind(this)）
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filter (node) {
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const
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accept = NodeFilter.FILTER_ACCEPT,
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skip = NodeFilter.FILTER_SKIP;
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switch (node.nodeName) {
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case 'INPUT' : case 'TEXTAREA' : case 'SELECT' : case 'BUTTON' :
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if (node.disabled) break;
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if (node.readOnly) break;
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if (this.option.tabIndex && ('-1' === node.getAttribute ('tabIndex'))) break;
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if (isHide (node)) break;
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return accept;
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case 'A' : //href = '#...' で始まるもののみ対象とする
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if (this.option.anchor) {
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let href = node.getAttribute ('href');
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if (href)
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if (! href.indexOf ('#'))
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return accept;
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}
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break;
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case 'SUMMARY' :
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return accept;
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}
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return skip;
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//__
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//祖先の要素が隠された状態にあるか？
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function isHide (node) {
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const chks = ['display', 'visibility', 'opacity', 'height', 'width'];
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for (let e = node; e !== document.body; e = e.parentNode) {
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let cs = getComputedStyle (e, null);
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let [d, v, o, h, w] = chks.map (p=> cs.getPropertyValue (p));
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if (
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'none' === d || 'hidden' === v || 0 == parseFloat (o) ||
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! ('auto' === h || 0 < parseInt (h, 10)) ||
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! ('auto' === w || 0 < parseInt (w, 10))
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) return true;
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}
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return false;
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}
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}
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//_____
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356
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357
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//[CTRL]が押されていれば、適用させる
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358
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359
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apply (e, sw, prev) {
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let stay = false, tag = e.nodeName;
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if ('TEXTAREA' === tag && !prev) {
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if (sw ^ this.option.textarea) {
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this.constructor.insertCRLF (e, this.option.autoIndent);
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+
stay = true;
|
|
372
|
+
|
|
373
|
+
}
|
|
374
|
+
|
|
375
|
+
}
|
|
376
|
+
|
|
377
|
+
else if (sw) {
|
|
378
|
+
|
|
379
|
+
stay = this.option.stay;
|
|
380
|
+
|
|
381
|
+
switch (tag) {
|
|
382
|
+
|
|
383
|
+
case 'SUMMARY' :
|
|
384
|
+
|
|
385
|
+
let parent = e.parentNode;
|
|
386
|
+
|
|
387
|
+
parent.hasAttribute ('open')
|
|
388
|
+
|
|
389
|
+
? parent.removeAttribute ('open')
|
|
390
|
+
|
|
391
|
+
: parent.setAttribute ('open', '');
|
|
392
|
+
|
|
393
|
+
break;
|
|
394
|
+
|
|
395
|
+
|
|
396
|
+
|
|
397
|
+
case 'A' :
|
|
398
|
+
|
|
399
|
+
fireEvent (e);
|
|
400
|
+
|
|
401
|
+
break;
|
|
402
|
+
|
|
403
|
+
|
|
404
|
+
|
|
405
|
+
case 'INPUT' :
|
|
406
|
+
|
|
407
|
+
switch (e.type) {
|
|
408
|
+
|
|
409
|
+
case 'radio': case 'checkbox' :
|
|
410
|
+
|
|
411
|
+
e.checked = !e.checked;
|
|
412
|
+
|
|
413
|
+
break;
|
|
414
|
+
|
|
415
|
+
|
|
416
|
+
|
|
417
|
+
case 'button' : case 'submit' : case 'reset' :
|
|
418
|
+
|
|
419
|
+
fireEvent (e);
|
|
420
|
+
|
|
421
|
+
break;
|
|
422
|
+
|
|
423
|
+
}
|
|
424
|
+
|
|
425
|
+
break;
|
|
426
|
+
|
|
427
|
+
}
|
|
428
|
+
|
|
429
|
+
}
|
|
430
|
+
|
|
431
|
+
//値が有効か？
|
|
432
|
+
|
|
433
|
+
if (this.option.invalidStop && e.checkValidity)
|
|
434
|
+
|
|
435
|
+
stay = ! e.checkValidity ();
|
|
436
|
+
|
|
437
|
+
|
|
438
|
+
|
|
439
|
+
return stay;
|
|
440
|
+
|
|
441
|
+
|
|
442
|
+
|
|
443
|
+
//__
|
|
444
|
+
|
|
445
|
+
|
|
446
|
+
|
|
447
|
+
function fireEvent (e) {
|
|
448
|
+
|
|
449
|
+
let event = document.createEvent ('MouseEvents');
|
|
450
|
+
|
|
451
|
+
event.initEvent ('click', false, true);
|
|
452
|
+
|
|
453
|
+
e.dispatchEvent (event);
|
|
454
|
+
|
|
455
|
+
return event;
|
|
456
|
+
|
|
457
|
+
}
|
|
458
|
+
|
|
459
|
+
}
|
|
460
|
+
|
|
461
|
+
|
|
462
|
+
|
|
463
|
+
|
|
464
|
+
|
|
465
|
+
//_____
|
|
466
|
+
|
|
467
|
+
|
|
468
|
+
|
|
469
|
+
//イベントハンドラ（各typeによって分岐）
|
|
470
|
+
|
|
471
|
+
handleEvent (event) {
|
|
472
|
+
|
|
473
|
+
this[event.type + 'Handler'].call (this, event);
|
|
474
|
+
|
|
475
|
+
}
|
|
476
|
+
|
|
477
|
+
|
|
478
|
+
|
|
479
|
+
//キーアップハンドラ
|
|
480
|
+
|
|
481
|
+
keyupHandler (event) {
|
|
482
|
+
|
|
483
|
+
let { code, shiftKey, ctrlKey, target: e } = event;
|
|
484
|
+
|
|
485
|
+
if ('Enter' !== code) return;
|
|
486
|
+
|
|
487
|
+
if (! this.imeFlag) //IMEの動作で未変換中の文字があると判断してスルー
|
|
488
|
+
|
|
489
|
+
return event.preventDefault ();
|
|
490
|
+
|
|
491
|
+
this.imeFlag = null;
|
|
492
|
+
|
|
493
|
+
if (! this.apply (e, ctrlKey, shiftKey))
|
|
494
|
+
|
|
495
|
+
this.move (e, shiftKey);
|
|
496
|
+
|
|
497
|
+
}
|
|
498
|
+
|
|
499
|
+
|
|
500
|
+
|
|
501
|
+
//キープレスハンドラ
|
|
502
|
+
|
|
503
|
+
keypressHandler (event) {
|
|
504
|
+
|
|
505
|
+
let { target: { nodeName: n, type: t }, code } = event;
|
|
506
|
+
|
|
507
|
+
if ('Enter' == code)
|
|
508
|
+
|
|
509
|
+
if (/^(submit|reset|button|textarea)$/.test (t) || 'SUMMARY' === n || 'A' == n)
|
|
510
|
+
|
|
511
|
+
event.preventDefault ();
|
|
512
|
+
|
|
513
|
+
this.imeFlag = true;//未変換文字がある場合の対処として
|
|
514
|
+
|
|
515
|
+
}
|
|
516
|
+
|
|
517
|
+
|
|
518
|
+
|
|
519
|
+
//________
|
|
520
|
+
|
|
521
|
+
|
|
522
|
+
|
|
523
|
+
//インスタンスの作成
|
|
524
|
+
|
|
525
|
+
static create (root = document.documentElement, option = { }) {
|
|
526
|
+
|
|
527
|
+
let obj = new this (root, option);
|
|
528
|
+
|
|
529
|
+
root.addEventListener ('keyup', obj, false);
|
|
530
|
+
|
|
531
|
+
root.addEventListener ('keypress', obj, false);
|
|
532
|
+
|
|
533
|
+
return obj;
|
|
534
|
+
|
|
535
|
+
}
|
|
536
|
+
|
|
537
|
+
|
|
538
|
+
|
|
539
|
+
//textarea要素に改行を挿入する
|
|
540
|
+
|
|
541
|
+
static insertCRLF (t, autoIndent = false, start = t.selectionStart || 0) {
|
|
542
|
+
|
|
543
|
+
let
|
|
544
|
+
|
|
545
|
+
str = '\n',
|
|
546
|
+
|
|
547
|
+
value = t.value,
|
|
548
|
+
|
|
549
|
+
first = value.slice (0, start),
|
|
550
|
+
|
|
551
|
+
last = value.slice (start).replace (/^([\t\u3000\u0020]+)/, '');
|
|
552
|
+
|
|
553
|
+
|
|
554
|
+
|
|
555
|
+
if (autoIndent) {
|
|
556
|
+
|
|
557
|
+
let spc = /(?:\n|^)([\t\u3000\u0020]+).*$/.exec (first);
|
|
558
|
+
|
|
559
|
+
if (spc) str += spc[1];
|
|
560
|
+
|
|
561
|
+
}
|
|
562
|
+
|
|
563
|
+
|
|
564
|
+
|
|
565
|
+
t.value = first + str + last;
|
|
566
|
+
|
|
567
|
+
t.selectionStart = t.selectionEnd = start + str.length;
|
|
568
|
+
|
|
569
|
+
}
|
|
570
|
+
|
|
571
|
+
|
|
572
|
+
|
|
573
|
+
|
|
574
|
+
|
|
575
|
+
|
|
576
|
+
|
|
577
|
+
//初期設定オプション値
|
|
578
|
+
|
|
579
|
+
static defaultOption = {
|
|
580
|
+
|
|
581
|
+
stay: true, //true: radio,checkbox,submit,button,summary を作用させた後も留まる
|
|
582
|
+
|
|
583
|
+
loop: true, //要素を巡回する
|
|
584
|
+
|
|
585
|
+
tabIndex: true, //tabIndex="-1" を有効にする
|
|
586
|
+
|
|
587
|
+
anchor: true, //アンカータグを有効にする（但し href属性の値が "#"から始まる場合）
|
|
588
|
+
|
|
589
|
+
textarea: true, //true:テキストエリア内では改行する, false:次に移動する（改行は、[Ctrl]+[Enter]）
|
|
590
|
+
|
|
591
|
+
autoIndent: true, //textarea要素内でのオートインデントを行う
|
|
592
|
+
|
|
593
|
+
invalidStop: false,//要素の値が不正な場合でも移動する
|
|
594
|
+
|
|
595
|
+
};
|
|
60
596
|
|
|
61
597
|
}
|
|
62
598
|
|
|
63
599
|
|
|
64
600
|
|
|
65
|
-
|
|
601
|
+
const
|
|
602
|
+
|
|
66
|
-
|
|
603
|
+
nav = ExEnter.create (document.querySelector ('nav')),
|
|
604
|
+
|
|
605
|
+
F = ExEnter.create (document.querySelector ('form'));
|
|
606
|
+
|
|
607
|
+
|
|
608
|
+
|
|
67
|
-
/
|
|
609
|
+
</script>
|
|
610
|
+
|
|
611
|
+
|
|
612
|
+
|
|
613
|
+
|
|
614
|
+
|
|
68
|
-
|
|
615
|
+
```
|
|
616
|
+
|
|
617
|
+
|
|
618
|
+
|
|
619
|
+
```js
|
|
620
|
+
|
|
621
|
+
<a href="#"><h3 class="LC20lb"><span>BELIEVE</span></h3></a>
|
|
622
|
+
|
|
623
|
+
<a href="#"><h3 class="LC20lb"><span>BELIEVE</span></h3></a>
|
|
624
|
+
|
|
625
|
+
<a href="#"><h3 class="LC20lb"><span>BELIEVE</span></h3></a>
|
|
626
|
+
|
|
627
|
+
<a href="#"><h3 class="LC20lb"><span>BELIEVE</span></h3></a>
|
|
628
|
+
|
|
629
|
+
|
|
630
|
+
|
|
631
|
+
|
|
632
|
+
|
|
633
|
+
<script>
|
|
634
|
+
|
|
635
|
+
const walker = document.createTreeWalker (document.body, NodeFilter.SHOW_ELEMENT, filter, true);
|
|
636
|
+
|
|
637
|
+
|
|
638
|
+
|
|
69
|
-
|
|
639
|
+
function filter (node) {
|
|
70
|
-
|
|
71
|
-
|
|
640
|
+
|
|
72
|
-
|
|
73
|
-
return
|
|
641
|
+
return 'A' === node.nodeName
|
|
642
|
+
|
|
643
|
+
? NodeFilter.FILTER_ACCEPT
|
|
644
|
+
|
|
645
|
+
: NodeFilter.FILTER_SKIP;
|
|
74
646
|
|
|
75
647
|
}
|
|
76
648
|
|
|
77
649
|
|
|
78
650
|
|
|
79
|
-
|
|
80
|
-
|
|
81
|
-
//ルートの最後の要素を返す
|
|
82
|
-
|
|
83
|
-
get lastElement () {
|
|
84
|
-
|
|
85
|
-
|
|
651
|
+
function handler ({ ctrlKey, key, target: e }, n) {
|
|
86
|
-
|
|
652
|
+
|
|
87
|
-
re
|
|
653
|
+
(ctrlKey && 'ArrowDown' === key) &&
|
|
654
|
+
|
|
655
|
+
(walker.currentNode = document.activeElement, n = walker.nextNode (), n && n.focus ());
|
|
88
656
|
|
|
89
657
|
}
|
|
90
658
|
|
|
91
659
|
|
|
92
660
|
|
|
93
|
-
|
|
94
|
-
|
|
95
|
-
//要素を移動する
|
|
96
|
-
|
|
97
|
-
move (target, direction = false) {
|
|
98
|
-
|
|
99
|
-
const
|
|
100
|
-
|
|
101
|
-
walker = this.walker,
|
|
102
|
-
|
|
103
|
-
isLoop = this.option.loop;
|
|
104
|
-
|
|
105
|
-
|
|
106
|
-
|
|
107
|
-
this.walker.currentNode = target;
|
|
108
|
-
|
|
109
|
-
let e = (direction)
|
|
110
|
-
|
|
111
|
-
? walker.previousNode () || (isLoop ? this.lastElement: null)
|
|
112
|
-
|
|
113
|
-
: walker.nextNode () || (isLoop ? this.firstElement: null);
|
|
114
|
-
|
|
115
|
-
e && e.focus ();
|
|
116
|
-
|
|
117
|
-
}
|
|
118
|
-
|
|
119
|
-
|
|
120
|
-
|
|
121
|
-
|
|
122
|
-
|
|
123
|
-
filter (node) {
|
|
124
|
-
|
|
125
|
-
if (/^(INPUT|TEXTAREA|SELECT|BUTTON)$/.test (node.tagName))
|
|
126
|
-
|
|
127
|
-
if (! node.disabled && ! node.readOnly && '-1' != node.getAttribute ('tabIndex')) {
|
|
128
|
-
|
|
129
|
-
if (! isHide (node))
|
|
130
|
-
|
|
131
|
-
return NodeFilter.FILTER_ACCEPT;
|
|
132
|
-
|
|
133
|
-
}
|
|
134
|
-
|
|
135
|
-
return NodeFilter.FILTER_SKIP;
|
|
136
|
-
|
|
137
|
-
//__
|
|
138
|
-
|
|
139
|
-
function isHide (node) {
|
|
140
|
-
|
|
141
|
-
for (let e = node, s; e; e = e.parentNode) {
|
|
142
|
-
|
|
143
|
-
if (e === document.body) break;
|
|
144
|
-
|
|
145
|
-
s = getComputedStyle (e, null);
|
|
146
|
-
|
|
147
|
-
if ('none' === s.display
|
|
148
|
-
|
|
149
|
-
|| 'hidden' === s.visibility
|
|
150
|
-
|
|
151
|
-
|| !parseFloat (s.opacity || '')
|
|
152
|
-
|
|
153
|
-
|| !parseInt (s.height || '', 10)
|
|
154
|
-
|
|
155
|
-
|| !parseInt (s.width || '', 10)
|
|
156
|
-
|
|
157
|
-
) return true;
|
|
158
|
-
|
|
159
|
-
}
|
|
160
|
-
|
|
161
|
-
return false;
|
|
162
|
-
|
|
163
|
-
}
|
|
164
|
-
|
|
165
|
-
}
|
|
166
|
-
|
|
167
|
-
|
|
168
|
-
|
|
169
|
-
|
|
170
|
-
|
|
171
|
-
//_____
|
|
172
|
-
|
|
173
|
-
|
|
174
|
-
|
|
175
|
-
//テキストエリアのキャレットの位置で分割（改行）する
|
|
176
|
-
|
|
177
|
-
textareaSpliter (e) {
|
|
178
|
-
|
|
179
|
-
let
|
|
180
|
-
|
|
181
|
-
v = e.value,
|
|
182
|
-
|
|
183
|
-
a = v.substring (0, e.selectionStart);
|
|
184
|
-
|
|
185
|
-
|
|
186
|
-
|
|
187
|
-
e.value = a + '\n' + v.substr (e.selectionEnd);
|
|
188
|
-
|
|
189
|
-
e.selectionStart = e.selectionEnd = a.length + 1;
|
|
190
|
-
|
|
191
|
-
}
|
|
192
|
-
|
|
193
|
-
|
|
194
|
-
|
|
195
|
-
|
|
196
|
-
|
|
197
|
-
//[CTRL]が押されていれば、適用させる
|
|
198
|
-
|
|
199
|
-
apply (e, sw, prev) {
|
|
200
|
-
|
|
201
|
-
let r = false; //要素に対して操作を行ったか
|
|
202
|
-
|
|
203
|
-
switch (e.type) {
|
|
204
|
-
|
|
205
|
-
case 'radio': case 'checkbox' :
|
|
206
|
-
|
|
207
|
-
if (sw) {
|
|
208
|
-
|
|
209
|
-
e.checked = !e.checked;
|
|
210
|
-
|
|
211
|
-
r = this.option.stay;
|
|
212
|
-
|
|
213
|
-
}
|
|
214
|
-
|
|
215
|
-
break;
|
|
216
|
-
|
|
217
|
-
case 'button' : case 'submit' : case 'reset' :
|
|
218
|
-
|
|
219
|
-
if (sw) {
|
|
220
|
-
|
|
221
|
-
let event = document.createEvent ('MouseEvents');
|
|
222
|
-
|
|
223
|
-
event.initEvent("click", false, true);
|
|
224
|
-
|
|
225
|
-
e.dispatchEvent (event);
|
|
226
|
-
|
|
227
|
-
r = this.option.stay;
|
|
228
|
-
|
|
229
|
-
}
|
|
230
|
-
|
|
231
|
-
break;
|
|
232
|
-
|
|
233
|
-
case 'textarea' :
|
|
234
|
-
|
|
235
|
-
if ((sw ^ this.option.textarea_enter) && !prev) {
|
|
236
|
-
|
|
237
|
-
this.textareaSpliter (e);
|
|
238
|
-
|
|
239
|
-
r =true;
|
|
240
|
-
|
|
241
|
-
}
|
|
242
|
-
|
|
243
|
-
break;
|
|
244
|
-
|
|
245
|
-
}
|
|
246
|
-
|
|
247
|
-
return r;
|
|
248
|
-
|
|
249
|
-
}
|
|
250
|
-
|
|
251
|
-
|
|
252
|
-
|
|
253
|
-
|
|
254
|
-
|
|
255
|
-
//_____
|
|
256
|
-
|
|
257
|
-
|
|
258
|
-
|
|
259
|
-
handleEvent (event) {
|
|
260
|
-
|
|
261
|
-
this[event.type+ 'Handler'].call (this, event, event.target);
|
|
262
|
-
|
|
263
|
-
}
|
|
264
|
-
|
|
265
|
-
|
|
266
|
-
|
|
267
|
-
keyupHandler (event, e) {
|
|
268
|
-
|
|
269
|
-
let { code, shiftKey, ctrlKey } = event;
|
|
270
|
-
|
|
271
|
-
if ('Enter' !== code) return;
|
|
272
|
-
|
|
273
|
-
if (! this.imeFlag) //IMEの動作で未変換中の文字があると判断してスルー
|
|
274
|
-
|
|
275
|
-
return event.preventDefault ();
|
|
276
|
-
|
|
277
|
-
this.imeFlag = null;
|
|
278
|
-
|
|
279
|
-
if (! this.apply (e, ctrlKey, shiftKey))
|
|
280
|
-
|
|
281
|
-
this.move (e, shiftKey);
|
|
282
|
-
|
|
283
|
-
}
|
|
284
|
-
|
|
285
|
-
|
|
286
|
-
|
|
287
|
-
keypressHandler (event, e) {
|
|
288
|
-
|
|
289
|
-
if (/^(submit|reset|button|textarea)$/.test (e.type))
|
|
290
|
-
|
|
291
|
-
event.preventDefault ();
|
|
292
|
-
|
|
293
|
-
this.imeFlag = true;//未変換文字がある場合の対処として
|
|
294
|
-
|
|
295
|
-
}
|
|
296
|
-
|
|
297
|
-
|
|
298
|
-
|
|
299
|
-
//________
|
|
300
|
-
|
|
301
|
-
|
|
302
|
-
|
|
303
|
-
static defaultOption = {
|
|
304
|
-
|
|
305
|
-
stay: false, //true: radio,checkbox,submit,button を作用させた後に自動的に移動する
|
|
306
|
-
|
|
307
|
-
textarea_enter: false, //true:テキストエリア内では改行する ,false:[Ctrl]+[Enter]で改行
|
|
308
|
-
|
|
309
|
-
loop: true, //要素を巡回する
|
|
310
|
-
|
|
311
|
-
};
|
|
312
|
-
|
|
313
|
-
|
|
314
|
-
|
|
315
|
-
|
|
316
|
-
|
|
317
|
-
static create (root = document.documentElement, option = { }) {
|
|
318
|
-
|
|
319
|
-
let obj = new this (root, option);
|
|
320
|
-
|
|
321
|
-
|
|
661
|
+
document.addEventListener ('keydown', handler, true);
|
|
322
|
-
|
|
323
|
-
root.addEventListener ('keypress', obj, false);
|
|
324
|
-
|
|
325
|
-
return obj;
|
|
326
|
-
|
|
327
|
-
}
|
|
328
|
-
|
|
329
|
-
}
|
|
330
|
-
|
|
331
|
-
|
|
332
|
-
|
|
333
|
-
ExEnter.create ();
|
|
334
|
-
|
|
335
|
-
|
|
336
|
-
|
|
337
|
-
</script>
|
|
338
|
-
|
|
339
|
-
|
|
340
|
-
|
|
341
|
-
|
|
342
662
|
|
|
343
663
|
```
|
|
344
|
-
|
|
345
|
-
|
|
346
|
-
|
|
347
|
-
```js
|
|
348
|
-
|
|
349
|
-
<a href="#"><h3 class="LC20lb"><span>BELIEVE</span></h3></a>
|
|
350
|
-
|
|
351
|
-
<a href="#"><h3 class="LC20lb"><span>BELIEVE</span></h3></a>
|
|
352
|
-
|
|
353
|
-
<a href="#"><h3 class="LC20lb"><span>BELIEVE</span></h3></a>
|
|
354
|
-
|
|
355
|
-
<a href="#"><h3 class="LC20lb"><span>BELIEVE</span></h3></a>
|
|
356
|
-
|
|
357
|
-
|
|
358
|
-
|
|
359
|
-
|
|
360
|
-
|
|
361
|
-
<script>
|
|
362
|
-
|
|
363
|
-
const walker = document.createTreeWalker (document.body, NodeFilter.SHOW_ELEMENT, filter, true);
|
|
364
|
-
|
|
365
|
-
|
|
366
|
-
|
|
367
|
-
function filter (node) {
|
|
368
|
-
|
|
369
|
-
return 'A' === node.nodeName
|
|
370
|
-
|
|
371
|
-
? NodeFilter.FILTER_ACCEPT
|
|
372
|
-
|
|
373
|
-
: NodeFilter.FILTER_SKIP;
|
|
374
|
-
|
|
375
|
-
}
|
|
376
|
-
|
|
377
|
-
|
|
378
|
-
|
|
379
|
-
function handler ({ ctrlKey, key, target: e }, n) {
|
|
380
|
-
|
|
381
|
-
(ctrlKey && 'ArrowDown' === key) &&
|
|
382
|
-
|
|
383
|
-
(walker.currentNode = document.activeElement, n = walker.nextNode (), n && n.focus ());
|
|
384
|
-
|
|
385
|
-
}
|
|
386
|
-
|
|
387
|
-
|
|
388
|
-
|
|
389
|
-
document.addEventListener ('keydown', handler, true);
|
|
390
|
-
|
|
391
|
-
```
|
1
汎用性なし
test
CHANGED
|
@@ -341,3 +341,51 @@
|
|
|
341
341
|
|
|
342
342
|
|
|
343
343
|
```
|
|
344
|
+
|
|
345
|
+
|
|
346
|
+
|
|
347
|
+
```js
|
|
348
|
+
|
|
349
|
+
<a href="#"><h3 class="LC20lb"><span>BELIEVE</span></h3></a>
|
|
350
|
+
|
|
351
|
+
<a href="#"><h3 class="LC20lb"><span>BELIEVE</span></h3></a>
|
|
352
|
+
|
|
353
|
+
<a href="#"><h3 class="LC20lb"><span>BELIEVE</span></h3></a>
|
|
354
|
+
|
|
355
|
+
<a href="#"><h3 class="LC20lb"><span>BELIEVE</span></h3></a>
|
|
356
|
+
|
|
357
|
+
|
|
358
|
+
|
|
359
|
+
|
|
360
|
+
|
|
361
|
+
<script>
|
|
362
|
+
|
|
363
|
+
const walker = document.createTreeWalker (document.body, NodeFilter.SHOW_ELEMENT, filter, true);
|
|
364
|
+
|
|
365
|
+
|
|
366
|
+
|
|
367
|
+
function filter (node) {
|
|
368
|
+
|
|
369
|
+
return 'A' === node.nodeName
|
|
370
|
+
|
|
371
|
+
? NodeFilter.FILTER_ACCEPT
|
|
372
|
+
|
|
373
|
+
: NodeFilter.FILTER_SKIP;
|
|
374
|
+
|
|
375
|
+
}
|
|
376
|
+
|
|
377
|
+
|
|
378
|
+
|
|
379
|
+
function handler ({ ctrlKey, key, target: e }, n) {
|
|
380
|
+
|
|
381
|
+
(ctrlKey && 'ArrowDown' === key) &&
|
|
382
|
+
|
|
383
|
+
(walker.currentNode = document.activeElement, n = walker.nextNode (), n && n.focus ());
|
|
384
|
+
|
|
385
|
+
}
|
|
386
|
+
|
|
387
|
+
|
|
388
|
+
|
|
389
|
+
document.addEventListener ('keydown', handler, true);
|
|
390
|
+
|
|
391
|
+
```
|