JavaScript

Node propertiesIn the Document Object Model (DOM), each node is an object. The DOM node has three important properties:1. NodeName: Name of the node2. NodeValue: The value of the node3. NodeType: Type of nodeOne, NodeName property: The name of the

1. Method Invocation Mode:var myObj = { value:0; Increment:function (inc) { This.value + = typeof Inc = = = ' number '? Inc:1; }} Myobj.increment (); Console.info (Myobj.value); 1 　　2. Function call Mode:When a function is not

HTML codeinputtype= ' checkbox 'value= "Ten"name= "Frust"/>Apple 10 YuanBR/> inputtype= ' checkbox 'value= " the"name= "Frust" />Watermelon 20 YuanBR/> inputtype= ' checkbox 'value= "+"name= "Frust" />Peach 30 YuanBR/> inputtype= ' checkbox

Push/pop (method of removing elements at the beginning of the array), Unshift/shift (method to add and remove the end of the array)var arr3 = [' B ', ' C ', ' d '];Console.log (Arr3.unshift (' a '));//Add an element at the beginning of the

variables, scopes, and memory issuesValues for base types and reference typesThe ECMAScript variable may contain values for two different data types: the base type value and the reference type value. A primitive type value refers to a simple data

The object constructor or object literal can be used to create objects, but there are obvious drawbacks: creating many objects with the same interface creates a lot of duplicate code.Factory mode// Factory mode function Createdog (name,age) {

Today, I got the book "JavaScript design Mode" written by Zhang Jongming, and began a deeper study of JavaScript.See the beginning of the book, although before reading, some good video of the explanation, to JavaScript has a basic understanding, but,

1. Introduction to JavaScript * is an object-based and event-driven language for applications and clients. -Object-based: * * Provides a lot of objects, can be directly used to use-event-driven: * * HTML to do site static effect, JavaScript dynamic

Developer ToolsNow the General browser has built-in developer tools, shortcut key F12 can be opened, such as Chrome browser, under the sources panel to find the corresponding JS fileThis is the preferred method, but for spa programs (such as Easyui),

This article ish5eduAgency officialHTML5 Trainingtutorials, the main introduction:JavaScript Intensive Tutorials--cookie Object Cookie object:is a user data information (cookie data) stored in the cookie folder of the client's hard disk in the form

1.For ... In declares a loop/iterate operation for an array or an object's properties.For An array , iterate over the array element , and for the object , iterate over the object's attributes;JS Code var x var mycars = new Array ()

The ABS method returns the absolute value of the number. It is an intrinsic object of the Math object, a method that provides basic mathematical functions and constants.Math.Abs (number)The mandatory option number parameter is a numeric expression

JS programs are built on top of events. The input may come from a different external source. In some languages, we are accustomed to writing code to wait for a particular input.var

Chapter 4 StatementFormally, a statement is a piece of code that ends with a semicolon. Whether this code is an expression, something else, or even nothing, as long as it ends with a semicolon, it can be considered a statement.Functionally, a

1.math.random (); The result is a random number between 0-1 (including 0, excluding 1)2.math.floor (num); The parameter num is a numeric value and the function result is the integer portion of Num.3.math.round (num); The parameter num is a numeric

Http://www.68idc.cn/help/makewebs/javascript/20141214142024.htmlThis article mainly introduces the JavaScript array and dictionary usage, in the case of the form of a more detailed analysis of the array as the different use of the dictionary, with a

The ellipsis effect is displayed when JavaScript exceeds the container In the actual project, due to the length of the text content uncertainty and the fixed page layout, it is inevitable that the text content beyond the div (or other tags, the same)

PS: Front-end slag for the first time to write a blog, typesetting what is not clear, the follow-up will slowly improve.After a lapse of two months to review the front end, found a lot of things have forgotten, yesterday just saw constructor and

JavaScript BASICS (recommended) and javascript Basics Variables defined outside the function must be global variables. variables defined in the function are local variables if var is declared. If var is not declared, this variable is a global

HTML basic notes, html notes 1. Basic webpage structure: 1 2 3 my first webpage 4 5 6 this is my first webpage 7 8 Note: In HTML, most tags appear in pairs. Start and endIf it is not a paired tag, add/after the tag to end the process. Ii.