# How to Check if Number Is Integer or Float in JavaScript

To check if number is integer or float in javascript; Through this tutorial, i am going to show you how to check if number is integer or float in JavaScript.

## How to Check if Number Is Integer or Float in JavaScript

There are two ways to check if number or variable is integer or float in JavaScript; as shown below:

• To Check if Number Is Integer in JavaScript
• To Check if Number Is Float or Integer in JavaScript

### To Check if Number Is Integer in JavaScript

See the following example for how to check if number is integer in javascript; as shown below:

```<!DOCTYPE html>
<html>
<title>Check if Number Is Integer JavaScript | Number.isInteger</title>
<body>
<h2>How to Check if Number Is Integer or Not In JavaScript</h2>
<br/>
<input type="text" id="is_interger" value="" placeholder="Please enter here.....">
<br/><br/>
<button onclick="checkIntergerJavaScript()">Click & See Result</button>
<br/>
<script type="text/javascript">
function checkIntergerJavaScript() {
var num = document.getElementById("is_interger").value;
if(Number.isInteger(Number(num))){
alert(num + " is a integer number");
}else{
alert(num + " is not an integer number");
}
}
</script>
</body>
</html>```

### To Check if Number Is Float or Integer in JavaScript

See the following example for how to check if number is float or integer in javascript; as shown below:

```<!DOCTYPE html>
<html>
<title>How to Check if Number Is Integer OR Float In JavaScript</title>
<body>
<h2>How to Check if Number Is Integer OR Float In JavaScript</h2>
<br/>
<input type="text" id="is_val" value="" placeholder="Please enter here.....">
<br/><br/>
<button onclick="checkNumber()">Click & See Result</button>
<br/>
<script type="text/javascript">

function checkNumber(x) {

var num = document.getElementById("is_val").value;
var x = Number(num);
// check if the passed value is a number
if(typeof x == 'number' && !isNaN(x)){

// check if it is integer
if (Number.isInteger(x)) {
}
else {
}

} else {
}
}

</script>
</body>
</html>```

## Conclusion

To check if number is integer or float in javascript; Through this tutorial, we have learned how to check if number is integer or float in JavaScript.

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