i read many tutorials but i dont know how to do this, this is the input
input(type=\"text\",name=\"price\",id=\"price\"data-bind=\"text: price,valueUpdate:[\
create AlphaCheck Function and add that.
$('#alpha-validation').keyup(function () { if (this.value.match(/[^0-9 ]/g)) { this.value = this.value.replace(/[^0-9 ]/g, ''); } });
That will works!