javascript for

1 var k = ["a", "b", "c", false];
2             for(var i = 0, m; m = k[i]; i++) {
3                 console.log(i);
4                 console.log(m);
5             }
6 
7 m = k[i];
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原文地址：https://www.cnblogs.com/daishuguang/p/3342375.html