JS input can only be entered as a number (compatible IE and Firefox) regular

Only numbers can be entered

<input onkeyup= "value="/value.replace (/["^d]/g,") "Onbeforepaste=" Clipboarddata.setdata (' text ', Clipboarddata.getdata (' text '). Replace (/[^d]/g, ') ">

You can only enter a number to lose a decimal point.

<inputōnkeyup= ' if (isNaN (value)) ExecCommand (' Undo ') ' ōnafterpaste= ' if (isNaN (value)) ExecCommand (' Undo ') ) ">
<input name=txt1ōnchange= "if (/d/.test (this.value)) {alert (' can only enter a number '); this.value= ';} ' >

To see a number of instances that can only be entered
Input can only enter the number of online search is for IE, wrote a generic.
Using a jquery method to determine if IE is not

Isnumber = function (e) {
if ($.browser.msie) {
if ((Event.keycode >) && (Event.keycode < 58) | |
(Event.keycode = 8)) {
return true;
} else {
return false;
}
} else {
if ((E.which >) && (E.which < 58) | |
(E.which = 8)) {
return true;
} else {
return false;
}
}
}

HTML code

<input type= "text" onkeypress= "Web Effects: Return Isnumber (event);" />