1 2 3 var Ajax = function() {4 5 this._xhr = null;6 this.url = '';7 this.method = 'GET';8 this.async = true;9 this.retries = 3;10 this.timeout = 4000; // milliseconds11 this.data = null;12 this.callbacks = ({13 progress:null,14 done:null,15 error:null,16 presend:null17 });18 19 };20 21 Ajax.prototype.send = function(data) {22 this.data = data;23 var that = this;24 25 function go() {26 that._xhr = new XMLHttpRequest();27 that._xhr.timeout = that.timeout;28 that._xhr.open(that.method, that.url, that.async);29 that._xhr.onreadystatechange = function(event) {30 if (that._xhr.readyState == XMLHttpRequest.DONE) {31 if (null != that.callbacks.done) {32 that.callbacks.done(that._xhr);33 }34 }35 };36 37 if (null != that.callbacks.presend)38 that.callbacks.presend(that._xhr);39 that._xhr.send(data);40 };41 42 var timer = function() {43 that.retries--;44 alert(that.retries);45 if (that.retries >0) { // Retry46 if (null !== that._xhr) that._xhr.abort();47 go();48 setTimeout(timer, that.timeout);49 } else { // Lanza error50 alert('error');51 }52 };53 timer();54 55 56 57 /*58 void send();59 void send(ArrayBuffer data);60 void send(Blob data);61 void send(Document data);62 void send(DOMString? data);63 void send(FormData data);64 */65 66 67 68 };69 70 Ajax.prototype.abort = function() {71 this._xhr.abort();72 };73 74 75 76 window.addEventListener('load', function(e){77 var a = new Ajax();78 a.url = 'http://www.treeweb.es/request2';79 a.callbacks.done = function(xhr) {80 alert(xhr.response);81 logger.log(xhr);82 };83 a.send();84 logger.log(a);85 }, true);86 87 88 89 Este ShareCode tiene versiones:
- Ajax Refactor ... (14/12/2012)
- Ajax Refactor ... (24/04/2013)
- Ajax Refactor ... (24/04/2013)
- Ajax Refactor ... (24/04/2013)
- Ajax Refactor ... (24/04/2013)
- Ajax Refactor ... (24/04/2013)
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