javascript - 为什么 status = null 在 JavaScript 中使 status = "null"?
问题描述
在控制台中,键入:
var status = null;
console.log(status);
console.log(status == null);
console.log(status === null);
console.log(status !== null);
为什么null
变成了 String "null"
?
解决方案
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