JavaScript模式区别的相关内容

文章 2024-06-17 来自：开发者社区

JS 严格模式和正常模式的区别

严格模式使用"use strict"; 作用：消除 Javascript 语法的一些不合理、不严谨之处，减少一些怪异行为; 消除代码运行的一些不安全之处，保证代码运行的安全；提高编译器效率，增加运行速度；为未来新版本的 Javascript 做好铺垫。表现：严格模式下, delete 运算符...

文章 2022-10-24 来自：开发者社区

JS 中ES模式的export 和export default 的区别

export 和export default 都在es6 中用来导出变量、方法、模块等，区别在于：同一文件中，可以 export 多个变量、方法、模块等；而同一文件中 export default 只能使用一次1. export：// export.jsexport const name = '张学友'; export function sing() { console.log('会唱歌...

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更新时间 2024-06-28 13:04:51

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