navigator.sendbeacon
Version:
Polyfill for navigator.sendBeacon()
2 lines (1 loc) • 1.12 kB
JavaScript
!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e():"function"==typeof define&&define.amd?define(e):e()}(0,function(){"use strict";function t(e){return(t="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(e)}var e=function(t){return"string"==typeof t},n=function(t){return t instanceof Blob};(function(){"navigator"in this||(this.navigator={});"function"!=typeof this.navigator.sendBeacon&&(this.navigator.sendBeacon=function(t,o){var i=this.event&&this.event.type,r="unload"===i||"beforeunload"===i,f="XMLHttpRequest"in this?new XMLHttpRequest:new ActiveXObject("Microsoft.XMLHTTP");f.open("POST",t,!r),f.withCredentials=!0,f.setRequestHeader("Accept","*/*"),e(o)?(f.setRequestHeader("Content-Type","text/plain;charset=UTF-8"),f.responseType="text"):n(o)&&o.type&&f.setRequestHeader("Content-Type",o.type);try{f.send(o)}catch(t){return!1}return!0}.bind(this))}).call("object"===("undefined"==typeof window?"undefined":t(window))?window:{})});