round number with js

Round a number to two decimal places.

code

var rounded = Math.round(num * 100) / 100;

demo

Result...

Round It

demo code

<p><input type='text' id='rval' value='16.67894562346'></p>

<p><pre id='rounded_result'>Result...</pre></p>

<script>
	function round_val() {
		var val = $("#rval").val();
		var rounded = Math.round(val * 100) / 100;
		$("#rounded_result").html(rounded);
		console.log(rounded);
	}
</script>

<p><button class='btn btn-dark' onclick='round_val();'>Round It</button></p>