There are six ways/contexts in which to create functions:1) Standard declarative notation (most familiar to people with C background)function foo(){}All the rest are function expressions:2) As a method of an object literalvar obj ={ foo:function()
There's no such thing as a "JSON Object"By "Cowboy" Ben Alman on March 3, 2010 2:54 PM | 15 Comments and 0 ReactionsI want to clear up a common misconception. It’s my belief that developers mistakenly call JavaScript Object literals “JSON Objects”
前言: 對於用JS判斷Txt中是否為數字,在之前的一次驗證輸入年齡是否在0~100之間時,已經做了相應判斷。然而這次當想用同樣方法驗證輸入全為數字時,發現有一點問題,如下述: 初始做法: 先設定環境,一個Txt文本輸入框,一個提交Btn,並觸發驗證文字框中是否全為數字?見代碼(JS片段)Code highlighting produced by Actipro CodeHighlighter
// Define a class like thisfunction Person(name, gender){ // Add object properties like this this.name = name; this.gender = gender;}// Add methods like this. All Person objects will be able to invoke thisPerson.prototype.speak = function(){
function doo() { allPrpos(dialogArguments.window.parent.frames[1]); allPrpos(dialogArguments.window.parent.frames[1].location); } function allPrpos(obj) { var props=""; for(var p in obj) {