Limit input type (multiple methods)

<input onkeydown="if(event.keyCode==13)event.keyCode=9" > can only be Chinese
<input onkeyup="value=value.replace(/[ -~]/g,'')" onkeydown="if(event.keyCode==13)event.keyCode=9"> Block input method <input style="ime-mode:disabled" onkeydown="if(event.keyCode==13)event.keyCode=9"> Only English and numbers can be entered
<input onkeyup="value=value.replace(/[/W]/g,'') "onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^/d]/g,''))" onkeydown="if(event.keyCode==13)event.keyCode=9"> Can only be numbers
<input onkeyup="value=value.replace(/[^/d]/g,'') "onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^/d]/g,''))">

<input readonly value="can only be displayed, cannot be modified"> can only enter numbers, determine the value of the button
<script language=javascript>
function onlyNum()
{
if(!((event.keyCode>=48&&event.keyCode<=57)||(event.keyCode>=96&&event.keyCode<=105)||(event.keyCode==8)))
event.returnValue=false;
}
</script>
<input onkeydown="onlyNum();">

<input type=text t_value="" o_value="" onkeypress="if(!this.value.match(/^[/+/-]?/d*?/.?/d*?$/))this.value=this.t_value;else this.t_value=this.value;if(this.value.match(/^(?:[/+/-]?/d+(?:/./d+)?)?$/))this.o_value=this.value" onkeyup="if(!this.value.match(/^[/+/-]?/d*?/.?/d*?$/))this.value=this.t_value;else this.t_value=this.value;if(this.value.match(/^(?:[/+/-]?/d+(?:/./d+)?)?$/))this.o_value=this.value" onblur="if(!this.value.match(/^(?:[/+/-]?/d+(?:/./d+)?|/./d*?)?$/))this.value=this.o_value;else{if(this.value.match(/^/./d+$/))this.value=0+this.value;if(this.value.match(/^/.$/))this.value=0;this.o_value=this.value}">

<input name="input" type="text" onkeyup="JHshNumberText(this)" id="title">

<script language="javascript" type="text/javascript">function JHshNumberText(a)
{
var fa="";
if(a.value.substring(0,1)=="-")
fa="-";
var str=(a.value.replace(/[^0-9.]/g,'')).replace(/[.][0-9]*[.]/, '.');
if (str.substring(0,1)==".")
str="0"+str;
a.value=fa+str;
}
</script>