Auto Focus TextBox

by SriSri M

HTML

<input type="text" class="form-control" name="number" maxlength="3" id="num_1">
<input type="text" class="form-control" name="number" maxlength="3" id="num_2">
<input type="text" class="form-control" name="number" maxlength="4" id="num_3">

JavaScript

$('body').on('keyup', '#num_1',function(){
		if (this.value.length === parseInt(this.attributes["maxlength"].value)) {
	    $('#num_2').focus();
	  }
	})
	$('body').on('keyup','#num_2', function(){
		if (this.value.length === parseInt(this.attributes["maxlength"].value)) {
      $('#num_3').focus();
    }
	})