JavaScript deep understanding of JS closure _javascript Skills _ Script Home
closures (closure) are a difficult and unique feature of the JavaScript language, and many advanced applications rely on closure implementations.
scope of a
1. Factory modefunction createPerson(name) { var o = new Object(); o.name = name; o.getName = function() { console.log(this.name) }; return o;}var person1 = createPerson(‘kevin‘)Disadvantage: The object is not recognized because the instance
Translator by: I love the map more than Haskell.
Original: JavaScript?—? Map vs. Foreach-what ' s The difference between Map and ForEach in JavaScript?
Translator: Fundebug
In order to ensure readability, this paper uses free
Seventh Chapter ArrayFirst, create an arrayUsing the array direct amount is the simplest method:var empty=[]; var primes=[1,3,5,7,11]; var m=[1.1, "a",true]; var b=1024; var table=[b,b+1,b+2]; var bc=[[1,{x:1,y:2}],[2,{x:3}]]// If a value is omitted
Original article: http://demon.tw/copy-paste/javascript-precision.html
Precision loss of small numbers and big integers in Javascript
Title: Precision loss of small numbers and big integers in JavascriptAuthor: demonLink:
Document directory
C {n}
C {m, n}
C {n ,}
*, + ,?
Greedy and non-greedy
Matching results of sub-regular expressions are not recorded
Forward pre-Query
?!
Global match, modifier g
Case-insensitive, modifier I
The end of the first line,
Document directory
Understanding callback Mode
Understanding event transmitter Mode
Understanding event types
Use the event transmitter API
Create an event Transmitter
For the list of articles in this series and the translation progress,
Angular2 pipeline Pipe and custom pipeline format data usage Example Analysis, angular2pipe
This document describes how to use the Pipe of the Angular2 MPs queue and custom MPs queue format data. We will share this with you for your reference. The
Status Codes 301 and 302 are different. Status Codes 301 and 302 are different.1. Official explanation301 redirect: 301 represents permanent transfer (Permanently Moved) 302 redirect: 302 represents temporary transfer (Temporarily Moved) 301
JS removes the punctuation marks at the end of the string and the method for deleting the last character. js punctuation marks
Requirement: remove the punctuation marks at the end of the js string.
Original string:
Hello World!
Target string:
Hello
Detailed description of VueJS frontend for frontend and backend separation and detailed description of vuejs frontend Separation
Preface
The front-end can use any framework. Here we select the small vuejs.
The functions to be implemented are simple:
This article describes various methods for disabling the browser's back button on the network, analyzes their respective advantages and disadvantages andUsage.I. OverviewMany people once asked, "How can we 'deactivate 'the browser's back button ?",
1. Type Analysis:The data types in js include undefined, boolean, number, string, and object. The first four are original data types and the second are reference data types.CodeCopy codeThe Code is as follows:Var a1;Var a2 = true;Var a3 = 1;Var a4 =
This article mainly introduces how to implement the special effects of book turning based on javascripthtml5, which has some reference value. Interested friends can refer to it as a very cool HTML5 3D book page turning animation, the effect is
This article mainly introduces jquery plug-in. lightBox. js allows you to click and zoom in the image and switch between the left and right clicks to achieve the effect of switching the imitation album plug-in. The demo source code is provided for
This article mainly helps you to learn how to use AngularJS file upload control angular-file-upload. If you are interested, you can refer to the requirement of uploading files when working on a project some time ago, the style to be implemented is
This article will share with you the real case of creating a complete table using angularjs, and sharing the complete code with you based on the previous articles, if you have any need, you can refer to the following: I am also learning and writing,
JavaScript: JavaScript coding errors will cause network disasters. Javascript tutorial
March 26, according to malware researchers, web developers with JavaScript coding errors and experience using new programming technologies will pose a serious
This article mainly introduces the clock special effects that can be set with an alarm and voice alerts in Jquery + html5. The function implementation is very simple and recommended to you. If you need it, you can refer to it. This example describes
Torrent files, also known as seeds, are used to record the information required by bt downloads. However, with the great development of the Internet, some people inject some evil information into a small torrent file, and the seeds have become
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