Array.class.containsAll + js

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js the local objects (Array / Date)

1, Array Class 1. Create Array object (1) aValues = new Array (); (2) aValues = new Array (10); (3) aValues = new Array ("red", "green", "blue"); Js code aValues [3] = "purple"; / / add one to the array aValues

js of local objects (Array / Date)

1, Array Class 1. Create Array object (1) aValues = new Array (); (2) aValues = new Array (10); (3) aValues = new Array ("red", "green", "blue"); Js code aValues [3] = "purple"; / / add one to the array aValues

Javascript array and its operation

This article describes the contents of the following aspects: 1. How to create an array 2. How to array operations (add, delete, read) 3. Array of common methods and properties How to create an array, generally set according to a simple initialization is

JavaScript is created in the Array and Array and Application Map

JavaScript has always been to create an array of several ways, each creating different ways, JavaScript is created in the map and use of knowledge is not very clear, but fortunately, the weekend saw their point of information and wrote a few small example

Javascript array type detection: the preparation of the stronger isArray function

In the daily development, we often need to determine whether an object is an array type, the type of object in the js detected several common ways: 1, typeof operator. For Function, String, Number, Undefined These types of objects, there would be no

A. "Little Monkey," the JS game structure

After 1 month of the revision, the basic large structure had been set. CSS and the HTML part of it is told to a page, so simple. As for the JS structure, the work is done web projects, so the structure of the website directly to manage to get a littl

Javascript Tips - Do not use for in statement to iterate through the array

First, why do not use for in statement jqModal jquery plugin is estimated that many people have used, in jqModal inside source, there is a function of hs, which has a nested loop as follows, for (var i in {jqmShow: 1, jqmHide: 1}) for (var s in this

Simple JSON data format conversion classes

In the project to transfer data using the JSON format, often encounter data format conversion, generally you can use the's lib, as well as some third-party framework to complete. But if it is a simple project, and the use of json is not ...

JavaScript Summary (basic)

1. Function parameter problem js in the function of the parameter is variable, example: 2. Single quotes and double quotes problem Output value: 'a' Ie: If the variable contains "or 'can not escape, the direct use' or" refer ...

prototype.js1.4 Edition Developer Guide

Some useful function in this library with many predefined objects and utility functions, such stuff was clearly aimed at you from some repetitive typing freed. Using $ () method $ () Method is used too frequently DOM document.getElementById () method is a

Taiwan before and after interaction Json

/ ** * Json Taiwan before and after interaction * / / * * A: * Passed string parameter front * Back to return json string, or json array * / //前台js中 $.ajax({ url: "xxx/xxx.action", data: "id=xxx", cache: false, async: false, success: function(result)

One study notes javascript

1. (Function () { / / Run the code })(); 2.js in the case-sensitive 3. Single quotes can contain double quotes (no escape character), which can contain double quotes single quotes (no escape character), single Quotes which can contain single quotes (

js array of pop, push, unshift, splice, shift

Js: an array of examples of the various methods pop, push, unshift, splice, shift <script> Array.prototype.pop=function(){ if(this.length!=0)this.length--; return this; } /* pop Method Removes the last element and returns the element . arrayObj.pop(

JS binary search (pre-sort the search array)

js binary search data, the data must first sort through. Binary search can solve the (pre-sort the search array) question: if the array contains the value (that is, to find the value), It contains the value by shrinking the scope of, and ultimately, ...

JS array of methods on

/ / JS array of methods on shift: first delete the original array, and returns the value of the element removed; If the array is empty then return undefined var a = [1,2,3,4,5]; var b = a.shift (); / / a: [2,3,4,5] b: 1 unshift: the parameter to the begin

Select the check box array js js Jump

function addUser () ( window.self.location = "userinput.jsp"; ) / / Js array to use function deleteUser () ( var flag = false; var selectFlags = document.getElementsByName ("selectFlag"); for (var i = 0; i <selectFlags.length;

JS Array "(array) and the" objects "(object)

JS Array "(array) and the" objects "(object) JS Technology 2009-12-30 16:15:45 read 294 comments 0 font size: large, medium Subscribe For example there is an array a = [1,2,3,4], there is an object a = (0:1,1:2,2:3,3:4), and then you run th

Js through the array to achieve the 3 methods

When our page check box in the same group, we need to use JS to traverse the value, if the check amount to many thousands, we need to consider the efficiency of the problem, after all, is running in the JS client, the requirements of the client machi

JS array array array methods on add and remove elements

js add and remove array elements have been relatively confused, today finally found detailed information, and would let one I tested the code ^ - ^ var arr = new Array (); arr [0] = "aaa"; arr [1] = "bbb"; arr [2] = "ccc

Learn a new move, the object is not to judge a js array

Analysis: The big city child chubby from: From To learn a trick is not to judge a js array object function isArray(o) { return Object.prototype.

JS to determine whether it contains an element of the array

JavaScript in_array - php.js Js array to determine whether the packet contains an element Achieve this function are more a function of writing, of which one is the following written in this way Array.prototype.S = String.fromCharCode(2); Array.prototype.i

js php parsing format string array returned

php ajax request returns an array of format strings, special circumstances can not modify the php to return json format, only to get js to parse the. code: function dataTrans( str ) { var obj = {}; str = str.replace( /^Array\s*\(/,'' ).replace( /\)\s

turn js json array - page - the introduction of dynamically generated html-style

To do json recent related work on which issues such as transfer js json array - page - dynamically-generated html-style introduction, a series of all uses So write it to be a memorial, but also for the convenience of other later reference. Since the

js json array transfer

var repays = eval(${jsonlist}); wishesjson = new Array(repays.length); for(var i=0;i<repays.length;i++){ wishesjson[i]=repays[i].content; } Main use eval () method to json js string into an array

js how to create two-dimensional array initialization

Data to establish two-dimensional data js code is as follows: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE>js Established when initializing a two-dimensional array </TITLE> <META

JS Array Methods Summary

/ JS Array Methods Summary

JS tutorial - an array of detailed

1. Array statement Ways (1): arrayObj = new Array (); / / create an array. var arr1 = new Array(); (2): arrayObj = new Array ([size]) to create an array and specify the length, the attention is not a ceiling, are the length. var a = new Array(5); (3): arr

js achieve the ruby in the array of include?

js achieve the ruby in the array of include?

java List <String> set to pass the value to the js array

<script> var intIndex = 0; arrList = new Array (); arrList = "$ (result)". replace ('[',''). replace (']',''). split (','); </ script>

js using two-dimensional array for storing data

<script language="javascript" type="text/javascript"> function init () ( var arrs = new Array (); for (var i = 0; i <6; i + +) ( arrs [i] = new Array (); arrs [i] [0] = i; arrs [i] [1] = i +1; arrs [i] [2] = i +2; arrs [i ...

JS ARRAY Array Operations

The recent use of the Array on them a finishing, the contents of the text to read the article excerpt others add their own operation by experiment, not entirely original. The three properties of the array object 1, length attribute length property Length

js Array Properties and Methods

1,. Concat () method: the parameters appended to the end of the array, returns a new array, concat () method is only one parameter, that is, to add items such as: var aColors = ["red", "green", "blue"]; var aColors2 = aColors

js achieved using Array.splice Array of insert / remove

arrayObj.splice (start, deleteCount, [item1 [, item2 [,... [, itemN ]]]]) Parameter arrayObj Required. An Array object. start Required. Removes the specified element from the array start position, this position is calculated from 0. deleteCount Required.

Remove the js array elements (transfer)

Array.prototype.remove = function (dx) ( if (isNaN (dx) | | dx> this.length) (return false;) for (var i = 0, n = 0; i <this.length; i + +) ( if (this [i]! = this [dx]) ( this [n + +] = this [i] ) ) this.length-= 1 ) a = ['1 ', '2

js javascript array.join

//字符串连接处理 array=new Array() array[0]=&quot;AAA&quot; array[1]=&quot;BBB&quot; array[2]=&quot;CCC&quot; array[3]=&quot;DDD&quot; str1=array.join() str2=array.join(&quot;|&quot;) document.write(str1+&quot;

Extending js Array Prototype

Extending array prototype with sum, minimum, maximum and remove Array.prototype.sum = function(){ for (var i=0, sum=0; i < this.length; sum += this[i++]); return sum; } Array.prototype.max = function(){ re

JS array of elements to delete

var arr = ['a', 'b', 'c']; To delete the 'b', there are two ways: 1.delete Method: delete arr [1] In this way the length of the array remain unchanged, then arr [1] becomes undefined, but is also beneficial to the orig

js three-dimensional array definition and use.

<script type="text/javascript"> var arr = new Array (); for (i = 0; i <5; i + +) ( arr [i] = new Array (); for (j = 0; j <6; j + +) ( arr [i] [j] = i + j; ) ) alert (arr.length); / / first dimension of the array length alert (ar

js traverse two-dimensional array, select selected, set the default input

/ / Program to restore the default value of 3.2 var array32 = new Array (); array32 = [ ['Show', 10, 'plan3_2_1'],[' show', 10, 'plan3_2_2'],[' show', 120, 'plan3_2_3'],[' show', 120, 'plan3_2_4

(Switch) to determine whether the packet contains a js array elements

To determine whether the array contains an element, from the principle to it, is to go through the entire array, and then determine whether the equal, we come to build a wheel, whose name cottage PHP's array functions in_array () Array.prototype.

JS conditional expression through the array of fresh

<html> <head> <title></title> <script type="text/javascript"> var array = new Array("aa", "bb", "ab"); var i = 5; for (i in array) { document.writeln(array[i] + " , ") } alert(i) // the alert is: 2 (the max index of the

JS array of some of the ways in

Work today is not too busy, find time to learn the next method of JavaScript in the first look at an array of related delete elements of an array of several methods related to 1, pop (): delete the last element of the array and returns the removed el

Windows Script Help (vbs + js) + VBScript array example

VBScript example: Array Option Explicit Dim arr (3), i For i = 0 To 3 arr (i) = InputBox ("Enter the first" & i +1 & "Number ","") 'input number 4 Next MsgBox "You entered the array is:" & Join (arr,

Js array of countries and regions

en var geolocation= [ ["AO", "Angola"], ["AF", "Afghanistan"], ["AL", "Albania"], ["DZ", "Algeria"], ["AD", "Andorra"], ["AI", "Anguilla"], ["AG", "Barbuda Antigua"], ["AR", "Argentina"], ["AM", "Armenia"], ["AU", "Australia"], ["AT", "Austria"], ["A

removeChild cover-up js array dynamically updated list of non-static

Such a piece of code: <ul> <li> a </ li> <li> b </ li> <li> c </ li> </ Ul> JavaScript: var ul = document.getElementById ('demo'); var liList = ul.getElementsByTagName ('li'); for (var i

Read "prototype.js 1.4 Developer Edition Manual" excerpt

Information Address: Extract 1, $ F () function Function: Return of any form input control value, the parameters are the element id or the element itself Example: <script

js version of Ant Colony Algorithm

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ""> <html xmlns=""><HEAD> <meta http-equiv="Content-Type" content="text/html; charset=gb

js to obtain the drop-down list to select the value and text (select), as well as access to radio buttons (radio) group and modify the selected value of

First, access the drop-down list to select the value and text (select) <html> <head><title>Gets the drop-down list to select key values, and text (select)</title></head> <body> <script> //Gets the drop-down list t

Chinese FckEditor V2.6 fckconfig.js Notes

Chinese FckEditor V2.6 fckconfig.js Notes Common Description: 1.FCKConfig.SkinPath = FCKConfig.BasePath + 'skins / default /'; this is to control the style of the fck editor, there are other two options, one is office2003 style, there is a gray-st

Several good js calendar

The first paragraph: js script /* alin */ /* */ /* QQ:38062022 */ /* Creation date: 2004-6-13 */ var myC_x,myC_y; var myC_timeset=null,myC_timeset1=null; var divObj=null; var inputName; function myCalendar() //Constructing an ob
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