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>>>

this.length >>> 0表示什么?

var a = 222
var b = a>>>0
console.log(a, b, typeof(a), typeof(b))
var a = -222
var b = a>>>0
console.log(a, b, typeof(a), typeof(b))
var a = '222'
var b = a>>>0
console.log(a, b, typeof(a), typeof(b))
var a = '222aaa'
var b = a>>>0
console.log(a, b, typeof(a), typeof(b))
var a = [1, 2, 3] 
var b = a>>>0
console.log(a, b, typeof(a), typeof(b))

posted on 2015-04-23 15:37  jzm17173  阅读(101)  评论(0编辑  收藏  举报

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