control stuff with your voice in the browser

speechCommands.js

(function(url, inj) {
    inj(url).then(function() {

    if (annyang) {
    // Let's define a command.
    var commands = {
    'hello': function() { alert('Hello world!'); }
    };

    // Add our commands to annyang
    annyang.addCommands(commands);

    // Start listening.
    annyang.start();
    }

    })
})('https://cdnjs.cloudflare.com/ajax/libs/annyang/2.6.0/annyang.min.js', (src, head = true) => new Promise(function(c, d) {
    var a = document.createElement("script");
    a.src = src;
    a.type = "text/javascript";
    a.onload = c;
    a.onerror = d;
    document[head ? 'head' : 'body'].appendChild(a)
}))