simple javascript program code example

Example 1: javascript code

html>
<head>
  <title>Multiplication Table</title>
  <script type="text/javascript">
    var rows = prompt("How many rows for your multiplication table?");
    var cols = prompt("How many columns for your multiplication table?");
    if(rows == "" || rows == null)
   		 rows = 10;
    if(cols== "" || cols== null)
   		 cols = 10;
    createTable(rows, cols);
    function createTable(rows, cols)
    {
      var j=1;
      var output = "<table border='1' width='500' cellspacing='0'cellpadding='5'>";
      for(i=1;i<=rows;i++)
      {
    	output = output + "<tr>";
        while(j<=cols)
        {
  		  output = output + "<td>" + i*j + "</td>";
   		  j = j+1;

Example 2: simple javascript code

let data = {
  name:"Brendan Eich",
  inventor :"Javascrpt"
}
console.log(`The name of his is ${data.name}. He is the inventor of ${inventor} programming language`);

Example 3: javascript example code

var one = 1
if (one >= 1) {
    console.log("CHANGE VAR TO 0")
 }

Example 4: javascript examples

// store input numbers
const num1 = parseInt(prompt('Enter the first number '));
const num2 = parseInt(prompt('Enter the second number '));

//add two numbers
const sum = num1 + num2;

// display the sum
console.log(`The sum of ${num1} and ${num2} is ${sum}`);

Example 5: basic javascript

>'hello'.toUpperCase()
'HELLO'

Example 6: js examples

To create a new primitive symbol, you write Symbol() with an optional string as its description:

Examples:

let sym1 = Symbol()
let sym2 = Symbol('foo')
let sym3 = Symbol('foo')

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