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Mousetrap is a simple library for handling keyboard shortcuts in Javascript.
It is around 2kb minified and gzipped and 4.5kb minified, has no external dependencies, and has been tested in the following browsers:
It has support for keypress, keydown, and keyup events on specific keys, keyboard combinations, or key sequences.
Include mousetrap on your page before the closing </body> tag
<script src="/path/to/mousetrap.min.js"></script>
Add some keyboard events to listen for
<script>
// single keys
Mousetrap.bind(‘4‘, function() { console.log(‘4‘); });
Mousetrap.bind("?", function() { console.log(‘show shortcuts!‘); });
Mousetrap.bind(‘esc‘, function() { console.log(‘escape‘); }, ‘keyup‘);
// combinations
Mousetrap.bind(‘command+shift+k‘, function() { console.log(‘command shift k‘); });
// map multiple combinations to the same callback
Mousetrap.bind([‘command+k‘, ‘ctrl+k‘], function() {
console.log(‘command k or control k‘);
// return false to prevent default browser behavior
// and stop event from bubbling
return false;
});
// 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>
Mousetrap - a simple library for handling keyboard shortcuts in Javascript
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原文地址：http://www.cnblogs.com/huey/p/5049462.html
