Posted By
Bajarangi soft ,
Posted On 06-10-2020
1.Create a Basic JavaScript Variable code Example-1
<!DOCTYPE html>
<html>
<body>
<h2>JavaScript Variables</h2>
<p>In this example, x, y, and z are variables.</p>
<p id="demo"></p>
<script>
var x = 5;
var y = 6;
var z = x + y;
document.getElementById("demo").innerHTML =
"The value of z is: " + z;
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<body>
<h2>JavaScript Variables</h2>
<p id="demo"></p>
<script>
var price1 = 5;
var price2 = 6;
var total = price1 + price2;
document.getElementById("demo").innerHTML =
"The total is: " + total;
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<body>
<h2>JavaScript Variables</h2>
<p>Strings are written with quotes.</p>
<p>Numbers are written without quotes.</p>
<p id="demo"></p>
<script>
var pi = 3.14;
var person = "John Doe";
var answer = 'Yes I am!';
document.getElementById("demo").innerHTML =
pi + "<br>" + person + "<br>" + answer;
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<body>
<h2>JavaScript Variables</h2>
<p>You can declare many variables in one statement.</p>
<p id="demo"></p>
<script>
var person = "John Doe", carName = "Volvo", price = 200;
document.getElementById("demo").innerHTML = carName;
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<body>
<h2>JavaScript $</h2>
<p>The dollar sign is treated as a letter in JavaScript names.</p>
<p id="demo"></p>
<script>
var $ = 2;
var $myMoney = 5;
document.getElementById("demo").innerHTML = $ + $myMoney;
</script>
</body>
</html>