Tips

JS Tips ¶

> 有用的 JavaScript 技巧

这是一个关于简短而有用的 JavaScript 技巧的很棒的项目，可以帮助您改进代码编写. 在不到 2 分钟的时间内，您可以阅读有关性能、约定、技巧、面试问题以及这门令人敬畏的语言的未来为我们准备的所有项目.

经常添加提示（如果您想保持联系，请进一步阅读）.

Support the community¶

如果您发现 JS 技巧有用或者您喜欢社区的作者，您可以通过技巧表达您的支持和尊重！

Can you help us enrich it?¶

当然，您可以通过两种方式帮助该项目：发送提示或查看未来的提示. 任何改进或建议都非常受欢迎！ Instructions are here.

Let’s keep in touch¶

获取更新的方法有很多：

> 别忘了 Star★ 回购，因为这有助于推广项目！

Tips list¶

74 - Check the reason make your page re-render by changed props and state
73 - Hash maps without side effects
72 - Adventurers Guide to React (Part I)
71 - VueJS, How VueJS makes a copy-update-replace inside the data binding
70 - Picking and rejecting object properties
69 - Enhancing React components, Composition
68 - Why you should use Object.is() in equality comparison
67 - Recursion, iteration and tail calls in JS
66 - State to Props maps with memory
65 - Tapping for quick debugging
64 - 3 Array Hacks
63 - Working With Websocket Timeout
62 - Preventing Unwanted Scopes Creation in AngularJs
61 - Binding objects to functions
60 - Three useful hacks
59 - ES6, var vs let
58 - Breaking or continuing loop in functional programming
57 - Comma operator in JS
56 - Copy to Clipboard
55 - Create an easy loop using an array
54 - How to use optional arguments in functions (with optional callback)
53 - Get File Extension
52 - Return Values with the 'new' Operator
51 - DOM event listening made easy
50 - Helpful Console Logging Tricks
49 - Easiest way to extract Unix timestamps
48 - Reduce builtin function usage
47 - Basics: Declarations
46 - Detect document ready in pure JS
45 - Calculate the Max/Min value from an array
44 - Know the passing mechanism
43 - Use destructuring in function parameters
42 - Preventing Unapply Attacks
41 - Array average and median
40 - Using JSON.stringify
39 - Advanced Properties
38 - Flattening multidimensional Arrays
37 - Deduplicate an Array
36 - Observe DOM changes in extensions
35 - Assignment Operators
34 - Implementing asynchronous loop
33 - Create Range 0...N easily using one line
32 - Map() to the rescue: adding order to Object properties
31 - Avoid modifying or passing arguments into other functions — it kills optimization
30 - Converting truthy/falsy values to boolean
29 - Speed up recursive functions with memoization
28 - Currying vs partial application
27 - Short circuit evaluation
26 - Filtering and sorting a list of Strings
25 - Using immediately invoked function expression
24 - Use === instead of ==
23 - Converting to number fast way
22 - Empty an Array
21 - Shuffle an Array
20 - Return objects to enable chaining of functions
19 - Safe String concatenation
18 - Truncating the fast (but risky) way
17 - Node.js: Run a module if it is not "required"
16 - Passing arguments to callback functions
15 - Even simpler way of using indexOf as a contains clause
14 - Fat Arrow Functions #ES6
13 - Measure performance of a code block
12 - Pseudomandatory parameters in ES6 functions #ES6
11 - Hoisting
10 - Check if a property is in an Object
09 - Template Strings
08 - Converting a Node List to an Array
07 - "use strict" and get lazy
06 - Writing a single method for arrays and a single element
05 - Differences between undefined and null
04 - Sorting Strings with accented characters
03 - Improve Nested Conditionals
02 - ReactJS - Keys in children components are important
01 - AngularJS: $digest vs $apply
00 - Insert item inside an Array

License¶

GNU GENERAL PUBLIC LICENSE