回答編集履歴
1
追記
test
CHANGED
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@@ -59,3 +59,69 @@
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59
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```
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64
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#追記
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66
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67
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addEventListenerするならこうした方がスマート
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68
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69
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70
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71
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```javascript
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72
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<script>
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75
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document.addEventListener("input", function(e){setBgColorYellow(e)});
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76
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77
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document.addEventListener("change", function(e){setDisabled(e)});
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78
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function setBgColorYellow(e) {
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82
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83
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var t=e.target;
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84
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if(t.nodeName=="INPUT" && t.name=="input_text"){
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86
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t.style.backgroundColor = "yellow";
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88
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89
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}
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}
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94
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95
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function setDisabled(e) {
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96
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var t=e.target;
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98
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var elements=document.getElementsByName("input_text");
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100
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for (var i = 0; i < elements.length; i++) {
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102
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103
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elements[i].disabled = !(elements[i]==t);
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104
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}
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106
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107
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}
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108
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</script>
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110
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<form id="form">
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<input name="input_text" type="text" value="hoge"/>
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<input name="input_text" type="text" value="hogehoge" />
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<input name="input_text" type="text" value="hogehogehoge" />
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<input name="input_text" type="text" value="hogehogehogehoge" />
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</form>
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126
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```
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