Question

im trying to make input that automaticaly change to decimel while typing number but fixed with 2 decimel point only. please help me , because im still new with jquery

my code :

 $.fn.billFormat = function() {
        $(this).keyup( function( e ){
                if( isNaN(parseFloat(this.value )) ) return;
                this.value = parseFloat(this.value).toFixed(2);
        });
        return this; 
 }

$('#ENQUIRY_PREPAIDBILL .bill_issued').billFormat();

i want the output to be like this

0.00 <—— default value
0.01 <—— typing 1
0.10 <—— typing 0
1.00 <—— typing 0

Answer 1

 $.fn.billFormat = function() {
        this.val("0.00");
        this.keyup( function( e ){
                if( isNaN(parseFloat(this.value )) ) return;
                this.value = parseFloat(this.value * 10, 10).toFixed(2);
        });
        return this; 
 }

Here is the demo.