回答編集履歴
2
typo
answer
CHANGED
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@@ -28,33 +28,27 @@
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28
28
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<div id="wrap">
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29
29
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<div>1
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30
30
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<input class="abc" type="checkbox">
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31
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-
<br><br><br>
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32
31
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</div>
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33
32
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<div>
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34
33
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2
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35
34
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<input class="abc" type="checkbox">
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36
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-
<br><br><br>
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37
35
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</div>
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38
36
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<div>
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39
37
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3
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40
38
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<input class="abc" type="checkbox">
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41
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-
<br><br><br>
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42
39
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</div>
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43
40
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<div>
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44
41
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4
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45
42
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<input class="abc" type="checkbox">
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46
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-
<br><br><br>
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47
43
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</div>
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48
44
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<div>
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49
45
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5
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50
46
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<input class="abc" type="checkbox">
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51
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-
<br><br><br>
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52
47
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</div>
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53
48
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<div>
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54
49
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6
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55
50
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<input class="abc" type="checkbox">
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56
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-
<br><br><br>
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57
51
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</div>
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58
52
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</div>
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59
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-
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53
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+
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60
54
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```
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1
調整
answer
CHANGED
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@@ -1,1 +1,60 @@
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1
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-
各チェックボックスにtabindex属性をつければよいのでは？
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1
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+
各チェックボックスにtabindex属性をつければよいのでは？
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2
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+
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3
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+
# 調整
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4
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+
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5
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```javascript
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6
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<style>
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7
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#wrap div{height:999px;}
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8
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#wrap div:nth-child(2n){background-Color:lime;}
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9
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#wrap div:nth-child(2n+1){background-Color:yellow;}
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10
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</style>
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11
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+
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12
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+
<script>
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13
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$(function(){
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14
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$(document).on('keyup',function(e){
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15
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if($(e.target).filter("body,.abc").length>0){
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16
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var idx=$('.abc').index($('.abc:focus'));
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17
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if(idx<0) idx=0;
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18
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var key=String.fromCharCode(e.keyCode).toLowerCase();
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19
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if(key=="b" && idx < $('.abc').length-1) idx++;
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20
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if(key=="a" && idx > 0) idx--;
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21
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$('html,body').animate({scrollTop:$('.abc').eq(idx).offset().top},0);
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22
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$('.abc').eq(idx).trigger('focus');
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23
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}
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24
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});
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25
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});
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26
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</script>
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27
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+
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28
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+
<div id="wrap">
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29
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+
<div>1
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30
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+
<input class="abc" type="checkbox">
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31
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+
<br><br><br>
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32
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+
</div>
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33
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+
<div>
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34
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+
2
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35
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+
<input class="abc" type="checkbox">
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36
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+
<br><br><br>
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37
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+
</div>
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38
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+
<div>
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39
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+
3
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40
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+
<input class="abc" type="checkbox">
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41
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+
<br><br><br>
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42
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+
</div>
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43
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+
<div>
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44
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+
4
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45
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+
<input class="abc" type="checkbox">
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46
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+
<br><br><br>
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47
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+
</div>
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48
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+
<div>
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49
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+
5
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50
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+
<input class="abc" type="checkbox">
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51
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+
<br><br><br>
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52
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+
</div>
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53
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+
<div>
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54
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+
6
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55
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+
<input class="abc" type="checkbox">
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56
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+
<br><br><br>
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57
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+
</div>
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58
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+
</div>
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59
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+
a
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60
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+
```
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