10 examples of 'how can we cancel the xmlhttprequest in ajax' in JavaScript

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93cancel() {
94 this.options.debug && debug("XHR.abort");
95 this.xhr.abort();
96}
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53cancel() {
54 if (this.xhr && this.sent) {
55 this.xhr.abort()
56 }
57}
62function cancel() {
63 if (success.value) {
64 return;
65 }
66
67 cancelled.value = true;
68 if (controller) {
69 controller.abort();
70 }
71}
151cancel() {
152 if (!this._request) return;
153 this._request.abort();
154}
151function _setCancellationForAjaxCall(ajax) {
152 /* request in-flight; aborting is cancelling this request */
153 state.currentRequestAbort = function() { ajax.abort(); };
154 /* once the request finishes, there's nothing to abort.
155 * this needs to be the 1st callback, so that later callbacks can
156 * override this */
157 ajax.finally(function() {
158 state.currentRequestAbort = NOOP_ABORT;
159 });
160}
120abort(): void {
121 this.xhr_.abort();
122}
62var cancel = function cancel() {
63 if (!activityRequest) {
64 alert('There are no any pending activity request.');
65 return;
66 }
67
68 activityRequest.postError('canceled');
69 activityRequest = null;
70
71 // close app, currently useless,
72 // see https://bugzilla.mozilla.org/show_bug.cgi?id=789392
73 window.close();
74};
109cancel(): boolean {
110 if (this.controller) {
111 this.controller.abort();
112 return true;
113 }
114 return false;
115}
227public abort(): void {
228 if (this._xhr) {
229 this._xhr.abort();
230 }
231}
11function browserAbort(request) {
12 var xhr = requestsUnderway[request.id];
13 if (!xhr) return;
14 xhr.abort();
15 delete requestsUnderway[request.id];
16}

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