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JavaScript 中对像的 “foreach” 语法


//变量声明,方法一:假如 Object 未被扩展

var array = new Object();

//变量声明,方法二:假如 Object 已被扩展

var array;

//赋值,以上两种方法均可

array[‘something’] = ‘yay’;
array[‘somethingelse’] = ‘more’;

//循环

for ( var keyVar in array ) {
alert(array[keyVar]);
}


注意 var keyVar ,不加var 为全局全量,可能引起冲突

Posted in JavaScript/DOM/XML, 技术.


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