JavaScript

The round function can be rounded, it is a rounding function, the following is a look at the syntax of round:1 Math.Round (number)Let's look at a few examples: The code is as follows Copy Code 1 document.write

The general practice is to determine the number of months, and then decide how many days (generally with switch), if it is February, but also to determine whether the year of choice is a leap years, and then decide whether it is 28 days or 29 days.

Why do I need to encode a parameter? I believe that the vast number of programmers who have developed experience know that in the web, if directly in the URL address to pass the parameter value, if Chinese, or + and so on will appear garbled

Remember when you are ignorant of the basics of JavaScript, there are rumors that "with statement is inefficient, if not necessary, do not use the statement", and ECMAScript 5 Strict mode is prohibited using the WITH statement, So I've always had a

A few days ago, the browser family had just born a little prince, the Chrome browser that Google launched. Because of the blue-blooded chrome, no one dared to underestimate him, even though he was still a little boy. Later, we often say that the

A small test, the implementation of six simple common HTML5 canvas effect filter, and encapsulated into a pure JavaScript callable API file Gloomyfishfilter.js. the supported effects filters are: 1. Anti-color 2. Gray tone 3. Fuzzy 4. Relief 5.

Usually we get the event object generally written as follows: function GetEvent (event) {return Event | | window.event//IE:window.event} If there are no arguments, it can be written (non ie: the event object is automatically passed to the

Recently, looking at some of the JavaScript principles of the article, happened to see the jquery author of a JavaScript timer on the principle of the analysis, and so scared to decide to translate the original text into Chinese, one is to share

Core Tip:JavaScript has the following kinds of operators: arithmetic operators, equivalent operators and all-in-one operators, comparison operators; 1. JavaScript has the following kinds of operators: arithmetic operators, equivalent operators and

Reference | object | The natural logarithm of the array LN10 10 (approximately equal to 2.302) LOG2E the logarithm of the 2-base e (about 1.442) LOG10E the logarithm of a 10-base e (approximately equal to o.434) Value of Pi∏ (approximately equal to 3

Browser First, detect the name of the browserProblem:The standard support for JavaScript is different for different browsers, and sometimes you want the script to work well on different browsers, and then you need to detect the browser, determine

javascript| Tutorial JavaScript basic data Structure JavaScript, which provides scripting languages, is very similar to C + +, except that it removes easily-generated errors such as pointers in C and provides a powerful class library. For people

This article is an in-depth discussion of part Fourth of the JavaScript API for Office, focusing on the available API portions of mail applications supported by Outlook and Outlook Web applications. Let's say you have a basic understanding of Office

Text is contained in szhshp.org/tech/2017/02/18/javasprite.html Reprint Please specify Type, value, and variable wrapper object and original valueThere are 5 primitive types of ECMAScript (primitive type) Undefined Null

Learning salesforce for one months, the document also read a lot, but most of them did not delve into. Salesforce abroad a lot of documents, the previous Java Baidu can be a lot of solutions, now do Salesforce is to improve the ability of many

Map () + replace ()function Titlecase (str) { var converttoarray = Str.tolowercase (). Split (""); var result = Converttoarray.map (function (val) { return val.replace (Val.charat (0), Val.charat (0). toUpperCase ()); }) ; Return

Grunt is a task-based JavaScript Project Command-line build tool that runs on the node. JS platform. Grunt can quickly create projects from templates, merge, compress and validate CSS & JS files, run unit tests, and start a static

Discussion: get/set accessors and actionscriptgetset for new JavaScript ECAMScript5 features Introduction to EcmaScript5 First, we must first understand that ECMAScript is a magic horse. We know that JavaScript or LiveScript was first developed by

Vue-cli + webpack notepad Project Creation, vue-cliwebpack The vue-cli + webpack notepad project uses the project build tool webpack in the vue-cli2.0 Project preparation: 1. Learn more about vue2.0 2. Learn more about ES6 3. reserve some webpack

Js Canvas circular clock tutorial, jscanvas circular clock Reading this article requires some basic information about the basic usage of canvas. This article provides an example of a simple tutorial on implementing circular clock in HTML5