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Init arrays sample

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nezumi
2023-08-07 17:09:13 +07:00
parent b03e6f62f0
commit 13e449c793
2 changed files with 62 additions and 0 deletions
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Sample/arrays/index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Javascript Training</title>
</head>
<body>
<h1>Javascript Training</h1>
<script src="./index.js"></script>
</body>
</html>
Sample/arrays/index.js
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// Introduction to Arrays
const teammates = ["Nezumi", "Khue", "Dat"];
console.log(teammates);
const year = new Array(2001, 1998, 2004, 2005);
console.log(teammates[0]);
console.log(teammates[2]);
console.log(teammates.length);
console.log(teammates[teammates.length - 1]);
teammates[2] = "Huy";
console.log(teammates);
const firstName = "Jonas";
const jonas = [firstName, "Schmedtmann", 2037 - 1991, "teacher", teammates];
console.log(jonas);
console.log(jonas.length);
// Basic Array Operations (Methods)
// Add elements
const newLength = teammates.push("Lien");
console.log(teammates);
console.log(newLength);
teammates.unshift("Dat");
console.log(teammates);
// Remove elements
teammates.pop(); // Last
const popped = teammates.pop();
console.log(popped);
console.log(teammates);
teammates.shift(); // First
console.log(teammates);
console.log(teammates.indexOf("Nezumi"));
console.log(teammates.indexOf("Khue"));
teammates.push(23);
console.log(teammates.includes("Nezumi"));
console.log(teammates.includes("Khue"));
console.log(teammates.includes(23));
if (teammates.includes("Nezumi")) {
console.log("You have teammate who is name Nezumi");
}