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