回答編集履歴
2
修正
test
CHANGED
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@@ -16,13 +16,11 @@
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16
16
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17
17
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$('#h1').on('click',function(e){
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var t = $('#hoge').get(0);
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var v= $('#hoge').val();
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var selin =
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21
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var selin = $('#hoge').prop('selectionStart');
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var selout =
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23
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var selout = $('#hoge').prop('selectionEnd');
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var befStr="<h1>";
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26
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@@ -34,21 +32,29 @@
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32
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var v3=v.substr(selout);
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34
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-
$('#hoge')
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35
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$('#hoge')
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36
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39
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-
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37
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.val(v1+befStr+v2+aftStr+v3)
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-
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39
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.prop({
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"selectionStart":selin+befStr.length,
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"selectionEnd":selin+befStr.length+v2.length
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})
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46
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-
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47
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.trigger("focus");
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48
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});
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50
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});
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48
52
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53
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+
```
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54
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55
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※ちょっとjQueryっぽく修正しておきました
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49
56
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57
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51
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-
```
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58
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59
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```HTML
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54
60
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1
sample
test
CHANGED
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@@ -5,3 +5,63 @@
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5
5
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普通はカーソル位置に挿入するとか、文字列を選択しておいてそれに
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6
6
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7
7
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h1タグを挟むとかすると思いますが、そうでなくてもいいのでしょうか？
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8
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+
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9
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10
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11
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# sample
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12
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13
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```javascript
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14
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15
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$(function(){
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16
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17
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$('#h1').on('click',function(e){
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var t = $('#hoge').get(0);
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var v= $('#hoge').val();
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var selin = t.selectionStart;
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var selout = t.selectionEnd;
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var befStr="<h1>";
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29
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var aftStr="</h1>";
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var v1=v.substr(0,selin);
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32
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33
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var v2=v.substr(selin,selout-selin);
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34
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var v3=v.substr(selout);
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$('#hoge').val(v1+befStr+v2+aftStr+v3);
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t.selectionStart=selin+befStr.length;
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40
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t.selectionEnd=selin+befStr.length+v2.length;
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$('#hoge').trigger("focus");
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});
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});
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```
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```HTML
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54
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55
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<textarea type="text" id="hoge" rows=10>
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aaabbb
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cccddd
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61
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eeefff
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62
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63
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</textarea><br>
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64
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65
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<span id="h1">H1</span>
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66
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67
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```
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