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Array 五种循环总结(es5 es6) #26
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1StepEngineer
opened on Sep 16, 2020
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| 方法名称 | 版本 | 适用类型 | 能否break continue? | 特征 |
|---|---|---|---|---|
| for | es5 | Array | √ | |
| forEach | es5 | Array | × | 形式简洁,但要全部遍历完,无法控制 |
| every | es5 | Array | × ,可用return fasle/true控制继续终止 | 形式简洁 |
| for in | es5 | Object | √ | 可以遍历对象key与value |
| for of | es6 | Array、 Set、Map、类数组、有iterator接口 | √ | 可以遍历类数组,但无法遍历object类型 |
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