JavaScript register_shutdown_function

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);}

external links: original PHP docs | raw js source

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

php.js uses JsLint to help us keep our code consistent and prevent some common bugs.

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.

Brett Zamir ( original )

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