回答編集履歴
1
sample
test
CHANGED
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@@ -17,3 +17,65 @@
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17
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```
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# sample
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25
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以下だと、timerIdがどんどん上書きされるので、最後ものしかとめられない
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26
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27
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```javascript
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28
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29
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<script>
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31
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var timerId;
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32
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timerId=setInterval(function(){document.getElementById('hoge1').value++},100);
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34
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timerId=setInterval(function(){document.getElementById('hoge2').value++},200);
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36
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timerId=setInterval(function(){document.getElementById('hoge3').value++},300);
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setTimeout(function(){clearInterval(timerId)},1000);
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</script>
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<input type="text" id="hoge1" value="0"><br>
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45
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<input type="text" id="hoge2" value="0"><br>
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46
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<input type="text" id="hoge3" value="0"><br>
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50
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```
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53
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54
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55
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複数のタイマーをまわすならこんな感じ
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56
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57
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```javascript
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58
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59
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<script>
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60
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61
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var timerIds=[];
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62
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timerIds[0]=setInterval(function(){document.getElementById('hoge4').value++},100);
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64
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65
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timerIds[1]=setInterval(function(){document.getElementById('hoge5').value++},200);
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66
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timerIds[2]=setInterval(function(){document.getElementById('hoge6').value++},300);
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68
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setTimeout(function(){timerIds.forEach(function(obj){clearInterval(obj)})},2000);
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70
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</script>
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<input type="text" id="hoge4" value="0"><br>
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<input type="text" id="hoge5" value="0"><br>
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76
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<input type="text" id="hoge6" value="0"><br>
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78
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79
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80
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81
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```
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