其他類型轉(zhuǎn)為布爾為假
var a = false;
var b = 0 ;
var c = 0.0;
var d = '';
var e = '0';//true
var f = new Array();//true
var g = null;
var h = NaN;
var i = undefined;
- js 為假
false 0 0.0 '' null NaN undefined
- php 為假
false 0 0.0 '' null '0' array()
- js 數(shù)據(jù)類型bsofun
bool string object function undefined number
