js中获得的是下标索引
var str=["hello","js","for"]; for (var index in str) { console.log(index);//0 1 2 }
Java中获得的是值
List str={"hello","js","for"}; for (var index in str) { System.out.println(index);// hello js for }
js中获得的是下标索引
var str=["hello","js","for"]; for (var index in str) { console.log(index);//0 1 2 }
Java中获得的是值
List str={"hello","js","for"}; for (var index in str) { System.out.println(index);// hello js for }
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