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js Object key All In One

js Object key All In One

// 字面符号 / 初始化符号
obj  = {};

obj[0] = 'a';
// 'a'
obj;
// {0: 'a'}0: "a"[[Prototype]]: Object

obj[false] = true;
// true
obj;
// {0: 'a', false: true}0: "a"false: true[[Prototype]]: Object

obj[0];
// 'a'

obj[false];
// true

不懂就不要瞎扯呀,完全胡说八道!

Object literal syntax vs JSON

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Object_initializer#object_literal_syntax_vs._json

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/Object

refs



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posted @ 2022-09-22 23:28  xgqfrms  阅读(55)  评论(2编辑  收藏  举报