Cross-browser function to add events on DOM elements.
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December 16, 2015 06:49
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Cross-browser addEvent function done with 81 bytes of JavaScript
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| /** | |
| * @param element The element to add the event | |
| * @param type Event type (i.e. 'click') | |
| * @param callback Function to execute when event is triggered | |
| */ | |
| function (element, type, callback) { | |
| try { | |
| element.addEventListener(type, callback, false); | |
| } catch (e) { | |
| element.attachEvent('on' + type, callback); | |
| } | |
| }; |
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| function(a,b,c){try{a.addEventListener(b,c,!1)}catch(d){a.attachEvent('on'+b,c)}} |
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| <!doctype html> | |
| <title>Demo</title> | |
| <span id="btn">Button</span> | |
| <script> | |
| var addEvent = function(a,b,c){try{a.addEventListener(b,c,!1)}catch(d){a.attachEvent('on'+b,c)}}; | |
| var element = document.getElementById('btn'); | |
| addEvent(element, 'click', function () { | |
| alert('Button clicked!'); | |
| }); | |
| </script> |
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You got a typo on line 8. "callback" is mispelled with only one L: "calback"