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    2.4.1 • Public • Published


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    KeyboardJS is a library for use in the browser (node.js compatible). It Allows developers to easily setup key bindings. Use key combos to setup complex bindings. KeyboardJS also provides contexts. Contexts are great for single page applications. They allow you to scope your bindings to various parts of your application. Out of the box keyboardJS uses a US keyboard locale. If you need support for a different type of keyboard KeyboardJS provides custom locale support so you can create with a locale that better matches your needs.

    KeyboardJS is available as a NPM module for use with browserify (or in node.js). If you don't use browserify you can simply include keyboard.js or keyboard.min.js from the dist folder in this repo. These files are UMD wrapped so they can be used with or without a module loader such as requireJS.

    npm install keyboardjs

    Note that all key names can be found in ./locales/us.js.

    If you're looking for the previous v1.x.x release of KeyboardJS you can find it here.

    Setting up bindings is easy

    keyboardJS.bind('a', function(e) {
      console.log('a is pressed');
    keyboardJS.bind('a + b', function(e) {
      console.log('a and b is pressed');
    keyboardJS.bind('a + b > c', function(e) {
      console.log('a and b then c is pressed');
    keyboardJS.bind(['a + b > c', 'z + y > z'], function(e) {
      console.log('a and b then c or z and y then z is pressed');
    keyboardJS.bind('', function(e) {
      console.log('any key was pressed');
    // keyboardJS.bind === keyboardJS.on === keyboardJS.addListener

    keydown vs a keyup

    keyboardJS.bind('a', function(e) {
      console.log('a is pressed');
    }, function(e) {
      console.log('a is released');
    keyboardJS.bind('a', null, function(e) {
      console.log('a is released');

    Prevent keydown repeat

    keyboardJS.bind('a', function(e) {
      // this function will once run once even if a is held
      console.log('a is pressed');

    Unbind things

    keyboardJS.unbind('a', previouslyBoundHandler);
    // keyboardJS.unbind === === keyboardJS.removeListener

    Using contexts

      // these will execute in all contexts
      keyboardJS.bind('a', function(e) {});
      keyboardJS.bind('b', function(e) {});
      keyboardJS.bind('c', function(e) {});
      // these will execute in the index context
      keyboardJS.bind('1', function(e) {});
      keyboardJS.bind('2', function(e) {});
      keyboardJS.bind('3', function(e) {});
      // these will execute in the foo context
      keyboardJS.bind('x', function(e) {});
      keyboardJS.bind('y', function(e) {});
      keyboardJS.bind('z', function(e) {});
      // if we have a router we can activate these contexts when appropriate
      myRouter.on('GET /', function(e) {
      myRouter.on('GET /foo', function(e) {
      // you can always figure out your context too
      var contextName = keyboardJS.getContext();
      // you can also set up handlers for a context without losing the current context
      keyboardJS.withContext('bar', function() {
        // these will execute in the bar context
        keyboardJS.bind('7', function(e) {});
        keyboardJS.bind('8', function(e) {});
        keyboardJS.bind('9', function(e) {});

    pause, resume, and reset

    // the keyboard will no longer trigger bindings
    // the keyboard will once again trigger bindings
    // all active bindings will released and unbound,
    // pressed keys will be cleared

    pressKey, releaseKey, and releaseAllKeys

    // pressKey
    // or
    // releaseKey
    // or
    // releaseAllKeys

    watch and stop

    // bind to the window and document in the current window;
    // or pass your own window and document;, myDoc);
    // or scope to a specific element;, myForm);
    // detach KeyboardJS from the window and document/element


    npm i @andrewstart/keyboardjs

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