10 examples of 'xmlhttprequest send' in JavaScript

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134send() {
135 this.sending = true;
136 const xhr = this.xhr = new XMLHttpRequest();
137 try {
138 xhr.open(this.type, this.url, true, this.username, this.password);
139 } catch (ieOpenError) {
140 // IE:地址错误时可能产生异常。
141 this.progress(ieOpenError, -3);
142 return false;
143 }
144
145 for (const header in this.headers) {
146 try {
147 xhr.setRequestHeader(header, this.headers[header]);
148 } catch (firefoxSetHeaderError) {
149 // FF:跨域时设置头可能产生异常。
150 }
151 }
152 if (this.contentType) {
153 try {
154 xhr.setRequestHeader("Content-Type", this.contentType);
155 } catch (firefoxSetHeaderError) {
156 // FF:跨域时设置头可能产生异常。
157 }
158 }
159 if (this.withCredentials) {
160 xhr.withCredentials = true;
161 }
162 if (this.responseType && (this.responseType === "arraybuffer" || this.responseType === "blob")) {
163 xhr.responseType = this.responseType;
164 }
165
166 try {
167 xhr.onreadystatechange = this.progress;
168 xhr.send(this.data);
169 } catch (sendError) {
170 // 地址错误时会产生异常。
171 this.progress(sendError, -4);
172 return false;
173 }
174 if (this.timeout >= 0) {
175 setTimeout(this.progress, this.timeout, "Timeout", -2);
176 }
177
178 return true;
179}
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142function getXMLHttpRequest() {
143 if (global.XMLHttpRequest) {
144 return new global.XMLHttpRequest;
145 } else {
146 try {
147 return new global.ActiveXObject('Microsoft.XMLHTTP');
148 } catch (e) {
149 throw new Error('XMLHttpRequest is not supported by your browser');
150 }
151 }
152}
72send(data) {
73 debug(`Sending request data: ${data}`);
74 if (this.sandbox) this.sandbox.add(this);
75 let request = this.request;
76 request.send(data);
77 return new Promise(function(resolve, reject) {
78 request.onreadystatechange = function() {
79 if (request.readyState !== 4 /* done */) {
80 return;
81 }
82
83 if (request.status < 200 || request.status >= 400) {
84 return reject(new Error(`Bad status: ${request.status}`));
85 }
86
87 return resolve(request.responseText);
88 };
89
90 request.ontimeout = function() {
91 reject(new Error(`Request timed out after ${request.timeout} ms`));
92 };
93 });
94}
296_startXhr(method, url, headers, body) {
297 var xhr = new global.XMLHttpRequest();
298
299 // If header has Authorization, and cors is available, then set the
300 // withCredentials flag.
301 if (this.withCredentials && corsAvailable) {
302 xhr.withCredentials = true;
303 }
304
305 var self = this;
306 xhr.onreadystatechange = function () { self._xhrCallback(); };
307 xhr.open(method, url, true);
308
309 for (var key in headers) {
310 if (headers.hasOwnProperty(key)) {
311 xhr.setRequestHeader(key, headers[key]);
312 }
313 }
314
315 xhr.send(body);
316
317 consoleUtilities.log("info", "XHR start " + url);
318
319 return xhr;
320}
41send(){
42 var uri = this.uri + (this.uri.indexOf('?') >= 0 ? '&' : '?') + this.callbackParameterName + '=' + this.callbackName;
43
44 window[this.callbackName] = (data) => {
45 delete window[this.callbackName];
46 document.body.removeChild(script);
47
48 if(this.status === undefined){
49 this.status = 200;
50 this.statusText = 'OK';
51 this.response = data;
52 this["onload"](this);
53 }
54 };
55
56 var script = document.createElement('script');
57 script.src = uri;
58 document.body.appendChild(script);
59
60 if(this.timeout !== undefined){
61 setTimeout(() => {
62 if(this.status === undefined){
63 this.status = 0;
64 this["ontimeout"](new Error('timeout'));
65 }
66 }, this.timeout);
67 }
68}
4function execXMLHttpRequest()
5{
6 xhr = new XMLHttpRequest();
7 xhr.open("GET",document.getElementById("url").value,false);
8 xhr.setRequestHeader('My-Custom-Header', 'Some Value');
9 xhr.send();
10 document.getElementById('ta').value = "Status Code: "+xhr.status+"\n\n"+xhr.responseText;
11}
3function xhr(method, url, data, callback){
4 var x = new XMLHttpRequest();
5 x.onreadystatechange = function(){
6 if(x.readyState == 4){
7 if(x.status == 200 || x.status == 204){
8 callback(x.responseText);
9 }else{
10 console.error(method, url, x.status, x.statusText, x.responseText);
11 }
12 }
13 };
14 x.open(method, url);
15 x.send(data);
16}
7function getXHR() {
8 if (window.XMLHttpRequest
9 && ('file:' !== window.location.protocol || !window.ActiveXObject)) {
10 return new XMLHttpRequest();
11 } else {
12 try { return new ActiveXObject('Microsoft.XMLHTTP'); } catch(e) {}
13 try { return new ActiveXObject('Msxml2.XMLHTTP.6.0'); } catch(e1) {}
14 try { return new ActiveXObject('Msxml2.XMLHTTP.3.0'); } catch(e2) {}
15 try { return new ActiveXObject('Msxml2.XMLHTTP'); } catch(e3) {}
16 }
17 return false;
18}
31function createXHR() {
32 var xhr;
33
34 if (typeof XMLHttpRequest !== 'undefined') {
35 xhr = new XMLHttpRequest();
36 }
37 else if (typeof window.ActiveXObject !== 'undefined') {
38 var progIds = ['Msxml2.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.4.0'];
39 for (var i = 0; i < 3; i += 1) {
40 try {
41 xhr = new window.ActiveXObject(progIds[i]);
42 break;
43 } catch (e) {}
44 }
45 }
46 return xhr;
47}
119export function createXHR() {
120 if (window.XMLHttpRequest) {
121 return new XMLHttpRequest();
122 }
123 return new window.ActiveXObject("Microsoft.XMLHTTP");
124}

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