回答編集履歴
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そーす
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カスタム属性を使えば可能ではありますね。
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http://dresscording.com/blog/html5/custom_data_attribute.html
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```html
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<input type="checkbox" name="mobile" data-name="android" value = "500">android
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<input type="checkbox" name="mobile" data-name="iphone" value = "800">iphone
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```
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```javascript
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var selected = [];
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for (var i = 0; i < mobiles.length; i++) {
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if (mobiles[i].checked) {
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selected.push(parseInt(mobiles[i].value));
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console.log(mobiles[i].getAttribute('data-name'));
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}
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```
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