JavaScript Oprater program
Math program
(1) <!DOCTYPE html>
<html>
<body>
<h2>JavaScript Statements</h2>
<p>JavaScript statements are separated by semicolons.</p>
<p id="demo1"></p>
<script>
var a, b, c;
a = 5;
b = 6;
c = a + b;
document.getElementById("demo1").innerHTML = c;
</script>
</body>
</html>
(2) <!DOCTYPE html>
<html>
<body>
<h2>JavaScript Statements</h2>
<p>JavaScript code blocks are written between { and }</p>
<button type="button" onclick="myFunction()">Click Me!</button>
<p id="demo1"></p>
<p id="demo2"></p>
<script>
function myFunction() {
document.getElementById("demo1").innerHTML = "Hello Dolly!";
document.getElementById("demo2").innerHTML = "How are you?";
}
</script>
</body>
</html>
(3) <!DOCTYPE html>
<html>
<body>
<h2>JavaScript Operators</h2>
<p>JavaScript uses arithmetic operators to compute values (just like algebra).</p>
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML = (5 + 6) * 10;
</script>
</body>
</html>
(4) <!DOCTYPE html>
<html>
<body>
<h2>Assigning JavaScript Values</h2>
<p>In JavaScript the = operator is used to assign values to variables.</p>
<p id="demo"></p>
<script>
var x, y;
x = 5;
y = 6;
document.getElementById("demo").innerHTML = x + y;
</script>
</body>
</html>
(5) <!DOCTYPE html>
<html>
<body>
<h2>The var Keyword Creates Variables</h2>
<p id="demo"></p>
<script>
var x, y;
x = 5 + 6;
y = x * 10;
document.getElementById("demo").innerHTML = y;
</script>
</body>
</html>
(6) <!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>
(7) <!DOCTYPE html>
<html>
<body>
<h2>JavaScript Variables</h2>
<p>Create a variable, assign a value to it, and display it:</p>
<p id="demo"></p>
<script>
var carName = "Volvo";
document.getElementById("demo").innerHTML = carName;
</script>
</body>
</html>
(8) <!DOCTYPE html>
<html>
<body>
<p> Rajeev </p>
<p id="demo"></p>
<script>
var x = 100 + 50;
document.getElementById("demo").innerHTML = x;
</script>
</body>
</html>
(9) <!DOCTYPE html>
<html>
<body>
<h2>The += Operator</h2>
<p id="demo"></p>
<script>
var x = 10;
x += 5;
document.getElementById("demo").innerHTML = x;
</script>
</body>
</html>
(10). <!DOCTYPE html>
<html>
<body>
<h2>The /= Operator</h2>
<p id="demo"></p>
<script>
var x = 10;
x /= 5;
document.getElementById("demo").innerHTML = x;
</script>
</body>
</html>
मैं इस ब्लॉग का संस्थापक और एक पेशेवर ब्लॉगर हूं। यहाँ पर मैं नियमित रूप से अपने पाठकों के लिए उपयोगी और मददगार जानकारी शेयर करता हूं।
Written by Rajeev Tiwari
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