javascript在默认情况下,数组、对象和函数是引用赋值,如下代码所示:
var a={age:20,height:175}; var b = a; alert(b.age); //20 b.age = 25; alert(a.age); //25
javascript在默认情况下,数组、对象和函数是引用赋值,如下代码所示:
var a={age:20,height:175}; var b = a; alert(b.age); //20 b.age = 25; alert(a.age); //25
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