javascript check number of decimal places code example

Example 1: js number 2 decimal places

(3.141596).toFixed(2);	// 3.14

Example 2: javascript show 2 decimal places

var myNumber=12.2345;
var myNumberWithTwoDecimalPlaces=parseFloat(myNumber).toFixed(2); //12.23

Example 3: javascript no decimal places

const removedDecimal = Math.round(decimal);
// returns 5

Example 4: check to see if number is a decimal javascript

The Number. isInteger() method determines whether a 
value an integer. 
This method returns true if the value is of the type 
Number, and an integer (a number without decimals). 
Otherwise it returns false.