MHALL

MHALL.JS

// Navigate to http://onlinetonegenerator.com/dtmf.html
// Open DevTools - Console
// Paste the Code
// Press Enter

// Provide the number of milliseconds the default tone should hold for
let short = 250;
let long = short * 2;

function sleep(ms) {
    return new Promise(resolve => setTimeout(resolve, ms));
}

let release = async function(duration){
    await sleep(duration);
    stop();
}

let three = async function(duration = short) {
    dialTone(697.0, 1477.0);
    await release(duration);
}

let two = async function(duration = short) {
    dialTone(697.0, 1336.0);
    await release(duration);
}

let one = async function(duration = short) {
    dialTone(697.0, 1209.0);  
    await release(duration);
}

let nine = async function(duration = short) {
    dialTone(852.0, 1477.0);
    await release(duration);
}

async function play() {
    await three();
    await two();
    await one();
    await two();
    await three();
    await three();
    await three(long);
    await two();
    await two();
    await two(long);
    await nine();
    await nine();
    await nine(long);
    await three();
    await two();
    await one();
    await two();
    await three();
    await three();
    await three();
    await three();
    await two();
    await two();
    await three();
    await two();
    await one();
}

play();