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Mousetrap - a simple library for handling keyboard shortcuts in Javascript

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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:

  • Internet Explorer 6+
  • Safari
  • Firefox
  • Chrome

It has support for keypress, keydown, and keyup events on specific keys, keyboard combinations, or key sequences.

 

Getting started

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 bubblingreturnfalse;
    });

    // 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>

 

原文：http://www.cnblogs.com/huey/p/5049462.html

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