Autocomplete Input text with JavaScript or Jquery

Question

I need to know how can I append $ sign at the start of input text field like $8.000

I am using the below javascript code for the same .

function autofild(input){
var num = input.value.replace(/\./g,'');
    if(!isNaN(num)){
        num = num.toString().split('').reverse().join('').replace(/(?=\d*\.?)(\d{3})/g,'$1.');
        num = num.split('').reverse().join('').replace(/^[\.]/,'');            
        input.value = num;
    }else{             
        input.value = input.value.replace(/[^\d\.]*/g,'');
    }        
}

HTML

<input id="vida_ingreso" onkeyup="autofild(this)" type="text">

score 1 · Accepted Answer · 2015-02-18 17:13:08Z

1

Do you mean this?

function autofild(input){
var num = input.value.substring(1, input.value.length);
num = num.replace(/\./g,'');
    if(!isNaN(num)){
        num = num.toString().split('').reverse().join('').replace(/(?=\d*\.?)(\d{3})/g,'$1.');
        num = num.split('').reverse().join('').replace(/^[\.]/,'');            
        input.value = '$' + num;
    }else{             
        input.value = '$' + input.value.replace(/[^\d\.]*/g,'');
    }        
}

edited Feb 18, 2015 at 17:13

answered Feb 18, 2015 at 17:06

user4227915

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2 Comments

vyplow Over a year ago

The issue now is how to remove the format to manipulate the number... ¿any suggestion?

user4227915 Over a year ago

@vyplow The second line does it: input.value.substring(1, input.value.length)

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