javascript class prototype

Prototype chain is the most important way to inherit,Principle: Each class (constructor, JS function) has a prototype attribute (prototype) point to a prototype object, the prototype object has a constructor (constructor), it refe

If you have been in touch with JS for a long time, then you should be able to see whether I summed up the correct, if you have just started to learn, then through my summary, you can distinguish them faster, remember I just contact JS, this piece is fuzzy for a long time! 1, the difference of looks: 1 function Class () {//Declaration of a class 2 This.constructmethod = function () {}; Adding a constructe

In object-oriented programming JS script, there are two main ways to define instance methods As follows: function ListCommon2 (Afirst) { var first=afirst; This.do1=function () { alert (' +first '); } Listcommon2.prototype.do2=function () { // alert ("+first")//error, no access to the A- this.do1 () ; } What's the difference between this.do1=function () and listcommon2.prototype.do2=function ()? is equivalent to a

has been using JS to write self-righteous object-oriented approach, encountered a problem, is to define a method, as follows: function ListCommon2 (First,second,third) {this . First=function () { alert (' +first '); } Listcommon2.do1=function (a) { //this . A (); Alert ("the" +first); } Listcommon2.prototype.do2=function (a) { //this. A (); Alert ("the" +first); } What is the difference between the two methods? What's the use of not

After reading the basic Ajax tutorial, take notes. I have not understood prototype inheritance and class inheritance. The following describes the generic functions written by Bob Clary: Function createinheritance (parent, child) {var property; For (property in parent) {If (! Child [property]) {Child [property] = parent [property] ;}} Bob Clary'sCodeFrom Page 148th of Ajax basic tutorial. This function is

1. Using Javascript eval Method.2. using a temporary Ables save object "this" reference.3. in innerHTML, we can using String to pass the prototype Method.E.g.

1, Using Javascript eval method. 2, using a Veriables Save Object "This" reference. 3, in InnerHTML, we can using a String to pass the prototype method. e.g.

JavaScript exploration: Powerful prototype and prototype chain, and javascript exploration prototype // The foo variable is for (var I in foo) {if (foo. hasOwnProperty (I) {console. log (I) ;}} in the preceding example );}} JavaScript