phpjs/experimental/misc/connection_aborted.js

php.js offers community built php functions in javascript

function connection_aborted() {
  // http://kevin.vanzonneveld.net
  // +   original by: Brett Zamir (http://brett-zamir.me)
  // *     example 1: connection_aborted();
  // *     returns 1: 0

  // BEGIN REDUNDANT
  this.php_js = this.php_js || {};
  this.php_js.abortStatus = this.php_js.abortStatus || 0;
  // END REDUNDANT

  // These functions should really be set automatically (added with addEventListener once), but for now this function can be used as a trigger to set these checks up
  var that = this;
  this.window.onabort = function(e) {
    if (!that.php_js.ignoreAbort) {
      that.php_js.abortStatus = 1;
    }
  };
  this.window.onunload = function(e) {
    if (!that.php_js.ignoreAbort) {
      that.php_js.abortStatus = 1;
    }
  };
  this.window.onstop = function(e) {
    if (!that.php_js.ignoreAbort) {
      that.php_js.abortStatus = 1;
    }
  };

  return this.php_js.abortStatus;
}