ChuckLu - 博客园

2021年1月12日

摘要： Declaring variables without var keyword At w3schools there is written: If you declare a variable, without using "var", the variable always becomes GLO 阅读全文

posted @ 2021-01-12 09:53 ChuckLu 阅读(135) 评论(0) 推荐(0)

Do I have to return something in javascript function?

摘要： Do I have to return something in javascript function? No; Javascript functions are not required to return a value. If you call a function that doesn't 阅读全文

posted @ 2021-01-12 09:46 ChuckLu 阅读(66) 评论(0) 推荐(0)

2021年1月11日

如何删除知乎回答

摘要：先用Fiddler抓取request请求 DELETE https://www.zhihu.com/api/v4/answers/1591480574 HTTP/1.1Host: www.zhihu.comConnection: keep-alivex-zst-81: 3_2.0ae3TnRUTEv 阅读全文

posted @ 2021-01-11 23:26 ChuckLu 阅读(969) 评论(0) 推荐(0)

Tasks, microtasks, queues and schedules

摘要： Tasks, microtasks, queues and schedules When I told my colleague Matt Gaunt I was thinking of writing a piece on microtask queueing and execution with 阅读全文

posted @ 2021-01-11 19:19 ChuckLu 阅读(78) 评论(0) 推荐(0)

What does $(function() {} ); do?

摘要： What does $(function() {} ); do? Sometimes I make a function and call the function later. Example: function example { alert('example'); } example(); / 阅读全文

posted @ 2021-01-11 17:38 ChuckLu 阅读(103) 评论(0) 推荐(0)

What is a regex to match ONLY an empty string?

摘要： What is a regex to match ONLY an empty string? 回答1 I would use a negative lookahead for any character: ^(?![\s\S]) This can only match if the input is 阅读全文

posted @ 2021-01-11 14:27 ChuckLu 阅读(91) 评论(0) 推荐(0)

2021年1月9日

Javascript中prototype属性详解

摘要： Javascript中prototype属性详解深入理解Javascript中构造函数和原型对象的区别 https://github.com/mqyqingfeng/Blog/issues/2 Use of 'prototype' vs. 'this' in JavaScript? 在典型的面向对阅读全文

posted @ 2021-01-09 21:59 ChuckLu 阅读(181) 评论(0) 推荐(0)

Javascript 构造函数

摘要： https://www.cnblogs.com/UncleKeith/p/5803551.html 典型的面向对象编程语言（比如C++和Java），存在“类”（class）这个概念。所谓“类”就是对象的模板，对象就是“类”的实例。但是，在JavaScript语言的对象体系，不是基于“类”的，而是基于阅读全文

posted @ 2021-01-09 21:56 ChuckLu 阅读(185) 评论(0) 推荐(0)

2021年1月7日

Cannot access element shown by v-if in component mounted callback

摘要： How to wait for a browser re-render? Vue.nextTick doesn't seem to cover it, and setTimeout(..., 0) is not good enough. #9200 What problem does this fe 阅读全文

posted @ 2021-01-07 18:46 ChuckLu 阅读(125) 评论(0) 推荐(0)

How to function call using 'this' inside forEach loop

摘要： How to function call using 'this' inside forEach loop In the following object, I have a problem using the 'this' reference: function SampleObject(){ t 阅读全文

posted @ 2021-01-07 15:01 ChuckLu 阅读(111) 评论(0) 推荐(0)

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