Undefined vs Null
typeof undefined // undefined
typeof null // null
null === undefined // false
null == undefined // true
HTML file: |
Displayed by browser: |
<body>
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML =
typeof undefined + "<br>" +
typeof null + "<br>" +
(null === undefined) + "<br>" +
(null == undefined);
</script>
</body>
|
|