Birthday Calculation in Fluent Form

fluent form age calculate

// Age calculator

// 1. First take a Date picker & a text input field 
// 2. In the text input element, add the element class 'age'
// 3. Add a custom element class 'date' in the date picker, then add the following js in your fluent form custom js
	

	jQuery( ".date" ).change(function() {
	    
	    var age = getAge(jQuery(this).val())
	    jQuery('.age').val( age)

	});

	function getAge(DOB) {
	    
	    //when date format dd.mm.yyyy
	    birthDate = DOB.split(".");
        currentDate = new Date();
        
        // JS starts counting months from 0, so add +1
        var years = (currentDate.getFullYear() - birthDate[2]);
      
        if (currentDate.getMonth()+1 < parseInt(birthDate[1]) || currentDate.getMonth()+1 == parseInt(birthDate[1]) && currentDate.getDate() < birthDate[0]) {
            years--;
        }
        if(years < 0) {
            years = 0;
        }
	    return years;
	}