How to use of type of operator ?
- The typeof operator is used to get the data type (returns a string) of its operand.
- The operand can be either a literal or a data structure such as a variable, a function, or an object.
- The operator returns the data type.
- Code :-
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
<h1>type of Operator</h1>
<input type="button" onclick="cal_typeopr();" value="Data Types">
<div id="d1"></div>
<div id="d2"></div>
<div id="d3"></div>
<div id="d4"></div>
<div id="d5"></div>
<div id="d6"></div>
<script>
function cal_typeopr()
{
var num = 90;
var str = "My name";
var ar = [1, 2, 3];
var obj = {
a: "1",
b: "2",
c: "3"
};
var bol = true;
document.getElementById('d1').innerHTML = typeof(num);
document.getElementById('d2').innerHTML = typeof(str);
document.getElementById('d3').innerHTML = typeof(ar);
document.getElementById('d4').innerHTML = typeof(obj);
document.getElementById('d5').innerHTML = typeof(bol);
/*Used for avoiding error*/
document.getElementById('d6').innerHTML = typeof(novar);
}
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
<h1>type of Operator</h1>
<input type="button" onclick="cal_typeopr();" value="Data Types">
<div id="d1"></div>
<div id="d2"></div>
<div id="d3"></div>
<div id="d4"></div>
<div id="d5"></div>
<div id="d6"></div>
<script>
function cal_typeopr()
{
var num = 90;
var str = "My name";
var ar = [1, 2, 3];
var obj = {
a: "1",
b: "2",
c: "3"
};
var bol = true;
document.getElementById('d1').innerHTML = typeof(num);
document.getElementById('d2').innerHTML = typeof(str);
document.getElementById('d3').innerHTML = typeof(ar);
document.getElementById('d4').innerHTML = typeof(obj);
document.getElementById('d5').innerHTML = typeof(bol);
/*Used for avoiding error*/
document.getElementById('d6').innerHTML = typeof(novar);
}
</script>
</body>
</html>
Type of operator :- JavaScript
Reviewed by Network security
on
June 03, 2019
Rating:
Reviewed by Network security
on
June 03, 2019
Rating:
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