js check how many decimal places code example
Example 1: javascript show 2 decimal places
var myNumber=12.2345;
var myNumberWithTwoDecimalPlaces=parseFloat(myNumber).toFixed(2); //12.23
Example 2: js check if number has decimals
num % 1 != 0
Example 3: js number with four decimal places
var myNumber = 2;
myNumber.toFixed(2); //returns "2.00"
myNumber.toFixed(1); //returns "2.0"
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.