vmes-flowable
Version:
ceshibao
35 lines (31 loc) • 815 B
JavaScript
var bind = window.addEventListener ? 'addEventListener' : 'attachEvent',
unbind = window.removeEventListener ? 'removeEventListener' : 'detachEvent',
prefix = bind !== 'addEventListener' ? 'on' : '';
/**
* Bind `el` event `type` to `fn`.
*
* @param {Element} el
* @param {String} type
* @param {Function} fn
* @param {Boolean} capture
* @return {Function}
* @api public
*/
exports.bind = function(el, type, fn, capture){
el[bind](prefix + type, fn, capture || false);
return fn;
};
/**
* Unbind `el` event `type`'s callback `fn`.
*
* @param {Element} el
* @param {String} type
* @param {Function} fn
* @param {Boolean} capture
* @return {Function}
* @api public
*/
exports.unbind = function(el, type, fn, capture){
el[unbind](prefix + type, fn, capture || false);
return fn;
};