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JS Code set (Learn JS friends can look down)

(document.all) {This.attachevent ("on" +EVENTTYPE,FN);}else{This.addeventlistener (Eventtype,fn,false);}});/**Extend the CSS method to each element, accepting a property and property value as a parameter*/Domelement.extend ("CSS", function () {if (this!=null this.nodetype==1) {if (arguments.length!=2) {Alert ("Require-function to be param.");}else{THIS.STYLE[ARGUMENTS[0]]=ARGUMENTS[1]; Set the value of the associated style propertyreturn this;}}return null;});/**Finds and returns all elements

If you want to omit the semicolon in JS, learn about JS's semicolon insertion principle.

; ++b;Semicolons are not inserted automatically as delimiters in the header of a For loop empty statement for (var i = 0,total=1 length i+ +) {total *=i;}Like the above code, there is a parsing error.The while of the empty loop body also needs to display the semicolon, otherwise it will also cause parsing errorsfunction mytest () { while (true)}Must be written as follows in order not to error OHfunction mytest () { while (true);}Sum up, please. The semicolon is dedu

Use JS to do exchange rate table, learn primary knowledge, JS is very important!

HTML>Head>title>Untitled Documenttitle>Head>Body>P>RMB exchange for yenP>label for= "TextField">label>inputtype= "text"name= "TextField"ID= "T1" />inputtype= "Submit"name= "button"ID= "button"onclick= "Change ()"value= "exchange rate conversion" />PID= "T2">P>Script> functionChange () {vartxt1=document.getElementById ("T1"); vartxt2=document.getElementById ("T2"); Txt2.innerhtml=Huilv (Txt1.value, +); } functionHuilv (A, b) {returna*b; }Script>Body>HTML>Use

I have already compiled the front-end code for two websites. In the summer vacation, will I learn more about the backend, or will I focus on js or framework? -

0 reply content: one by one Front end: Css: There is a big pitfall on how to organize the css structure. But there are already some specifications, the most famous oocss Home · stubbornella/oocss Wiki · GitHub The reuse of css mainly relies on componentization to componentialize common things, such as Button and Dropdown. In the future, add the class. The Bootstrap structure is quite good. Learn LESS (very simple, one day), read the source code,

Cocos Creator Learn the difference between import and require in--JS

In the study of react and webpack, often see in the JS file appears require, there are import, these two are for JS modular programming use. The CSS is@importThe design idea of the 1.ES6 module is to make it as static as possible, so that the dependencies of the module can be determined at compile time, as well as the input and output variables.Require is the COM

To learn javascript JS and jQuery, which one is important first? javascriptjquery

To learn javascript JS and jQuery, which one is important first? javascriptjquery I share my learning experience with you. If you have any questions or questions, please leave a message. Before answering a question, you must first understand what js is and what jQuery is. Js, that is, JavaScriptIn 1995, Brendan Eich o

Learn JS knowledge, share the summary of knowledge points

Another knowledge point is finished, to summarize the learning effect and knowledge of the summary of the time. JS this programming language with respect to HTML and CSS logic is stronger, also relatively not easy to get started. The conceptual knowledge point is not difficult to understand, is the actual operation is not easy, need to learn and learn from the ca

Is it better for front-end engineers to learn Node. js or PHP?

Front-end newcomers, self-taught front-end for half a year, is an entry. But I have no idea about the backend. if I want to know the backend knowledge and help my future work, I 'd like to learn Node. js or PHP. I 'd like to ask some people to give me some advice. Don't tell me to learn both of them. I will learn one a

How to run and learn js-tests and deideilu in CocosCodeIDE

How to run and learn js-tests and deideilu in CocosCodeIDE I think for every Cocos2d game developer, js-tests has always been a valuable resource for learning and reference, and is also the most authoritative tutorial. As we know, CocosCodeIDE is a powerful IDE officially recommended. Its powerful functions and convenience are incomparable to those of other i

Small white learn about node. JS Records

I have no knowledge of node. js, pure white one, want to learn the original intention is to understand what node. js is what, can use it to do something, white is the curiosity. Next, record your learning process.Note: If you have any errors, please indicate that you learn from each other. Segmentfault StackOverflowWho

node. js from beginner to novice-resource not loaded? You need to learn address resolution

seem to work for us, and Apache and IIS seem to be doing it for us. But in node, this step must be done by yourself. We're not just going to implement an application, but also a server that implements HTTP processing.It's kind of complicated, but it's not a complicated thing for node. We are going to have an initial study of an HTTP server, but we need to brush up before we learn. A bit of node's module mechanism.Node takes the module mechanism (and

JavaScript Grammar Basics want to learn JS friend can see the basics

= ' Yellow ', this.style.color= ' text color ' 20: Set as the homepage: This.style.behavior= ' url (#default #homepage) '; This.sethomepage (' Your Web page '); 21): Specifies that the code automatically repeats a process after a few minutes. SetInterval ("JS code", 1000) For example: Make a background change constantly [the page flashes very badly] var index=1; function Changepic () { form1.p1.src=index+ ". jpg"; index=index+1; if (index==4) { Index=

"Translation" Learn about the widgets of Ext JS 5

(); if (record column.dataindex) { record.set (column.dataindex, value);}Methods Getwidgetcolumn and Getwidgetrecord are placed on the widget through Widgetcolumn, so it knows its context in the grid.SummaryAlthough the discussion of most widgets is related to grids, widgets can also be used anywhere in traditional parts. Scoring widgets introduced as mini widgets ext JS 5 has become a fact.The following is the main panel of the sample applicatio

Quickly learn how to use setTimeout and setInterval in Node. js, node. jssettimeout

Quickly learn how to use setTimeout and setInterval in Node. js, node. jssettimeout Node. js and js also have timers, time-out timers, interval timers, and timely timers. They and the process. nextTick (callback) function are used to schedule events. Learn how to use setTime

Easy to learn JavaScript 26: How to dynamically add JS scripts and CSS styles in DOM programming Learning

Easy to learn JavaScript 26: How to dynamically add JS scripts and CSS styles in DOM programming LearningThe following HTML document code is used: div Region 1. dynamically load external JS files Code for dynamically loading the external index. js file: alert("I am JS fil

Today, the preparation of a major event: Re-Learn JS

Recently, in the blog of the Great God, I saw an article about how to learn computer technology, the original Teach yourself computer science. After reading it I understand where my shortcomings, the foundation is not strong enough is my biggest problem.After years of groping, learning is the best way to learn, this has been deep into my heart, so in the process of basic learning, I am ready to

Learn to write js Calender calendar controls together, jscalender calendar controls

Learn to write js Calender calendar controls together, jscalender calendar controls I recently read some functions about js date and suddenly thought of the calendar control. So I tried to write one. As a background programmer, I have a limited level, let's take a look at the example I wrote and learn and make progress

Learn Regular Expressions (js, C #),

Learn Regular Expressions (js, C #), Use regular expressions in js Function myValid () {var errorMsg = ""; var res = true; // get the value to be verified. var upload ename = $ ("# upload ename "). val (); // name var receiveMobile =$ ("# tMobile "). val (); // mobile phone number var validCode = $ ("# validCode "). val (); // Verification Code var regName =/^ [\

Dojo Section 1: Learn to use firebug to adjust js, Dojo, and dojofirebug

Dojo Section 1: Learn to use firebug to adjust js, Dojo, and dojofirebug Summary: Learn to use the basic functions of firebug 1. Brief Introduction: Firebug is a Firefox plug-in used to adjust js Code. (Official nonsense: Firebug is a plug-in firefox that can debug all Website Languages, such as Html and Css. But FireB

How to learn D3.js

Vue is the front-end framework for a data-driven view that can be used as a reusable componentD3 is the data visualization JavaScript libraryD3.js Foundation1. learn the grammar of D3.jsGrammar is required, it is recommended to go to the official website to learn its grammar, if possible, it is best to understand the functional programming curry and compose thoug

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