JavaScript

1. Be sure to use the var keyword when assigning a value to a variable for the first timeVariables are not declared and are directly assignable, and as a new global variable by default, avoid using global variables as much as possible.2, the use of =

Use the switch statement to select one of several code blocks to execute.GrammarSwitch (n) {Case 1: Execute code block 1 break;case 2: Execute code block 2 break;default: N code that executes when different from 1 and 2How it works: first set

# "contains a location informationThe default anchor point is #top, which is the upper end of the pageand javascript:void (0) only represents a dead linkThat's why there are times when the page is very long browse the link is obviously # but it

Interface settings/***body**/ Snake Games /***score Record scores **/0/*** Map **//*** map is drawn through JS to achieve **//*** three buttons **/ Restart Speed Pause /***body Partial End **//***style**//***style Partial End

1, the origin of essaysThe first day to open a blog to monitor their own study and share a little humble opinion, no accident, should be a Monday more or a week two more.This blog is written mainly for the front-end work encountered some of the

First, get tags through classvar out=document.getelementsbyclassname (' Out ');IE 6 7 8 does not support getelements NameIs there a way to get tags from classNo compatibility issues?First get all the tags,Iterate over all tags of the same class

First introduce the high-order function in JS, the so-called high-order function is that the parameter in a function is a function or return is a function, called the higher order function.JS has improved the higher-order function, the use is very

xTable of Contents [1] element [2] attribute [3] text [4]CDATA[5] entity reference [6] Entity name [7] processing instruction [8] Note [9] document [10] Document type [11] document fragment [12]DTD FrontThe DOM is the interface of the JavaScript

A regular expression is a logical formula for string manipulation, a "rule string" with some predetermined specific characters, and the string is filtered with a "rule string". ECMAScript support for regular expressions by RegExp typePurpose:

constructor is a special method used to initialize a newly created object in cases where memory has been allocated to the object. The object constructor is used to create objects of a specific type – prepare the object for use, and the colleague

1. Relational operatorsGreater than ' > ', greater than or equal to ' >= ', less than ' Example: var a = 5 > 3;   alert (a); 5>3 is correct, so Alerta (a) is true.var a = 5 >= 3;alert (a); 5>=3 is correct, so alert (a) is true.When the ' = = ' and '!

Previous wordsUsually we use alert () When we are debugging a program, if we need to block the effect. In addition to alert (), the Window object provides 3 other dialog boxes. This article describes the dialog box in detail in the Window

Abstract : Event Flow This thing is more important, in order to let oneself more understanding of the event stream in JS, must tidy up, comb the event flow of various things ah. Most of this article refers to the third edition of JavaScript advanced

2.6. Process Control Statement 2.6.1. JudgeJudgment statementSyntax for the IF statement:if (condition) statement1 else statement2　　If the condition evaluates to True, Statement1 is executed and statement2 is executed if the condition evaluates to

Implement table content filtering based on jQuery, and implement table Filtering Based on jquery If you don't talk much about it, You can directly paste the key code. The Code is as follows: filter table content filter name gender

Detailed description of javascript deep copy (deepClone), javadeepclone Javascript deep copy is a problem that can be frequently encountered by beginners and even experienced developers. It is not easy to understand the deep copy of javascript. Deep

JS dynamically loads scripts and performs callback operations. js dynamic script callback Many people may have encountered the problem of loading other js files in javascript, but many may not know how to determine whether the js files to be loaded

Example of how to implement the color text background effect using the split method in JS, jssplit Let's take a look at the implementation Result implementation steps: 1. Obtain the elements to be used; 2. Declare an array variable (arrColor)

Bootstrap and Angularjs work with the self-made bullet box instance code, bootstrapangularjs Command directive('bsPopup', function ($parse) {return {require: 'ngModel',restrict: 'A',link: function (scope, elem, attrs, ctrl) {scope.$watch(function ()

Css3 creates a cool navigation bar and css3 cool navigation bar Today, we mainly use the hover selector. Move the mouse over to view the effect. I. General navigation bar Home Content Service Team Contact     For this normal navigation bar,