Mousetrap is a simple library for handling keyboard shortcuts in Javascript.
It is around 1.5kb minified and gzipped, has no external dependencies, and has been tested in the following browsers:
- Internet Explorer 6+
- Safari
- Firefox
- Chrome
It has support for keypress, keydown, and keyup events on specific keys, keyboard combinations, or key sequences.
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Include mousetrap on your page before the closing
<body>tag<script src="/path/to/mousetrap.min.js"></script>
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Add some keyboard events to listen for
<script> // single keys Mousetrap.bind('4', function() { console.log('4'); }); Mousetrap.bind("$", function() { console.log('money!'); }, 'keydown'); Mousetrap.bind('esc', function() { console.log('escape'); }, 'keyup'); // combinations Mousetrap.bind('command+shift+K', function() { console.log('command shift k'); }); Mousetrap.bind(['command+k', 'ctrl+k'], function() { console.log('command k or control k'); }); // gmail style sequences Mousetrap.bind('g i', function() { console.log('go to inbox'); }); Mousetrap.bind('* a', function() { console.log('select all'); }); // konami code! Mousetrap.bind('up up down down left right left right b a enter', function() { console.log('konami code'); }); </script>
There are a number of other similar libraries out there so what makes this one different?
- There are no external dependencies, no framework is required
- You are not limited to
keydownevents (You can specifykeypress,keydown, orkeyupor let Mousetrap choose for you). - You can bind key events directly to special keys such as
?or* - It works with international keyboard layouts by intelligently choosing when to use
keypressvs.keydowndepending on what key you bind. - You can bind Gmail like key sequences in addition to regular keys and key combinations
- You can programatically trigger key events with the
trigger()method - It works with the numeric keypad on your keyboard
- The code is well documented/commented
Full documentation can be found at http://craig.is/killing/mice
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