Recent questions tagged var

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278 views

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This question already has answers here: question from:https://stackoverflow.com/questions/65874608/var-hoisting-in-javascript...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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556 views

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var xxx = weex.requireModule('xxx') 引入报错

在 demo.vue 文件中引入：var navigator = weex.requireModule('navigator')，然后 npm run dev 就报错， Uncaught TypeError: weex.requireModule is not a function 不知道这是什么情况？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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412 views

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var o = Object({})和var o = new Object({})有什么区别？

打印出来的结果一样的...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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336 views

1 answer

var $t 是怎么样的一种命名方式?

在网上找了一段代码是在光标出插入的 $.fn.extend({ insertContent : function(myValue, t) { var $t = $(this)[0]; if (document.selection) { this.focus(); ... $t直接消失了，我是嵌套在php里面的，按理说php并没有解析，但是他就是消失了...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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364 views

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var a ; a&&a.c==1 为什么不报错？

优先级 . 大于== 大于&& 按优先级解释，为什么不先算 a.c==1 ? 符号优先级...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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