1.程序在運行過程中會產(chǎn)生各種各樣的臨時數(shù)據(jù), 為了方便數(shù)據(jù)的運算和操作, JavaScript對這些數(shù)據(jù)進行了分類, 提供了豐富的數(shù)據(jù)類型; 數(shù)據(jù)類型劃分:1.簡單數(shù)據(jù)類型...
1.程序在運行過程中會產(chǎn)生各種各樣的臨時數(shù)據(jù), 為了方便數(shù)據(jù)的運算和操作, JavaScript對這些數(shù)據(jù)進行了分類, 提供了豐富的數(shù)據(jù)類型; 數(shù)據(jù)類型劃分:1.簡單數(shù)據(jù)類型...
function function_name(name_,qq_) {//構(gòu)造函數(shù)加屬性,原型加方法 this.name = name_; this.qq = qq_; //...
var arr = new Array(11,22,33,44,55); var arr_ = new Array(21,44,32,36); Array.prototype...
function function_name (name_,qq_) { // var this = new Object();//系統(tǒng)悄悄創(chuàng)建的 this.name = n...
function construction(name_,qq_){//構(gòu)造函數(shù) var obj = new Object(); //創(chuàng)建對象 obj.name = name_...
document.onclick = function(ev){ // alert(event.clientX +' , '+ event.clientY) //ie var...
var div1 = document.getElementById('div1'); var span = document.getElementById('span');...
var text = document.getElementById('text'); var btn = document.getElementById('btn'); v...
function getByclass(parent_,class_){//封裝 var res = []; var parent_ = document.getElemen...