JavaScript register_shutdown_function
Register a user-level function to be called on request termination
1 2 3 4 56 7 8 9 1011 12 13 14 1516 17 18 19 2021 22 23 24 2526 | function register_shutdown_function (cb) { // Register a user-level function to be called on request termination // // version: 1008.1718 // discuss at: http://phpjs.org/functions/register_shutdown_function // + original by: Brett Zamir (http://brett-zamir.me) // * example 1: register_shutdown_function(function(first, middle, last) {alert('Goodbye '+first+' '+middle+' '+last+'!');}, 'Kevin', 'van', 'Zonneveld'); // * returns 1: 'Goodbye Kevin van Zonneveld!' var args = [], _addEvent = function (el, type, handler, capturing) { if (el.addEventListener) { /* W3C */ el.addEventListener(type, handler, !!capturing); } else if (el.attachEvent) { /* IE */ el.attachEvent('on'+type, handler); } else { /* OLDER BROWSERS (DOM0) */ el['on'+type] = handler; } }; args = Array.prototype.slice.call(arguments, 1); _addEvent(this.window, 'unload', function () { cb.apply(null, args); }, false);} |
Examples
Running
1 | register_shutdown_function(function(first, middle, last) {alert('Goodbye '+first+' '+middle+' '+last+'!');}, 'Kevin', 'van', 'Zonneveld'); |
Should return
1 | 'Goodbye Kevin van Zonneveld!' |
Dependencies
No dependencies, you can use this function standalone.
Open syntax issues
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Eventually we want all code to pass or at least take into consideration most fixes suggested by JsLint, following this JsLint configuration we’ve decided on.
Authors
Thanks to the following developers, you get to have register_shutdown_function goodness in JavaScript.
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