w3Javascript/arraysJS.html at main · PeterLe0349/w3Javascript · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Arrays in JS</title>
</head>
<body>
<h1>Arrays in JS</h1>

<p id="test">TEST AREA</p>
<button onclick="test()">Test</button>

<h3 id="who">Name Area</h3>
<button onclick="changeName()">Name</button>

<h3 id="properties">Arrays have length and sort() properties</h3>
<button onclick="properties()">Properties</button>

<h3 id="looping">Looping arrays</h3>
<button onclick="looping()">Looping</button>

<h3 id="forEachie">Iterating arrays</h3>
<button onclick="forEachie()">forEach</button>

<h3 id="addArray">Adding to arrays using Push or Length</h3>
<button onclick="pushAdd()">Push</button>
<button onclick="lengthAdd()">LengthAdd</button>
<h1>Holes can be added if index is beyond length add</h1>
<h3> JS does not support associative arrays. Don't use names instead of numbered indices!!</h3>
<h3>Use isArray instead of typeof to find if it's an array</h3>


<!-- DON"T CODE BELOW -->
<script src="js/arraysJS.js"></script>
</body>
</html>