eval() is a function which will be used to evaluate expression and argument of the eval() function is a string. In this example we are evaluating 3 example x * y, 2+2 and x+17 which will result in 600,4 and 37.
<!DOCTYPE html>
<html>
<head>
<title>Welcome to LearnKode - A code learning platform</title>
</head>
<body>
<button onclick="evaluateExpression()">Evaluate expression</button>
<p id="sample"></p>
<script>
function evaluateExpression() {
var x = 20;
var y = 30;
var a = eval("x * y") + "<br>";
var b = eval("2 + 2") + "<br>";
var c = eval("x + 17") + "<br>";
var d = eval("18 + y") + "<br>";
var result = a + b + c +d;
document.getElementById("sample").innerHTML = result;
}
</script>
</body>
</html>
