crbug.com/178437

by int32_t

HTML

<input type=number id=n1>
    <pre id=console></pre>
    <pre id=console2></pre>

JavaScript

var changeCounter = 0;
var inputCounter = 0;
function handleChange() {
    document.getElementById('console').textContent = 'Change: ' + ++changeCounter;
}

function handleInput() {
    document.getElementById('console2').textContent = 'Input: ' + ++inputCounter;
}

document.getElementById('n1').addEventListener('change', handleChange, false);
document.getElementById('n1').addEventListener('input', handleInput, false);