如何通过名称查找JavaScript变量 [英] How to find JavaScript variable by its name

问题描述

有没有办法在页面上找到JavaScript变量（将其作为对象）？变量名称可用作字符串常量。

Is there a way to find JavaScript variable on the page (get it as an object) by its name? Variable name is available as a string constant.

推荐答案

<script>
var a ="test";
alert(a);
alert(window["a"]);
alert(eval("a"));
</script>

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