html 仅限数字输入字段

Posted 2021-05-11

http://stackoverflow.com/questions/891696/jquery-what-is-the-best-way-to-restrict-number-only-input-for-textboxes-all

<input class="numbersOnly" type="text" id="phone"  maxlength="10">
<input class="numbersOnly" type="text" id="shipfrom_zip"  maxlength="5">
<input class="numbersOnly" type="text" id="shipto_zip"  maxlength="5">
<input class="numbersOnly" type="text" id="pallets">


<script>

$( document ).ready(function() {
  // add numeric input only fields for these four 
	$('#phone, #shipfrom_zip, #shipto_zip, #pallets').keyup(function () { 
	    this.value = this.value.replace(/[^0-9\.]/g,'');
	});	
      
});	

</script>