如何使用jquery只允许表单文本字段中的阿拉伯字符
我试过这个,但箭头不允许从最后一行回来
如果有的话,请告诉我或编辑我的代码或提供任何新代码
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Character Filtering</title>
<script type="text/javascript">
function CheckArabicOnly(field) {
var sNewVal = "";
var sFieldVal = field.value;
for (var i = 0; i < sFieldVal.length; i++) {
var ch = sFieldVal.charAt(i),
c = ch.charCodeAt(0);
if (field.keyCode = '38') {
}
else if (field.keyCode = '40') {
// down arrow
}
else if (field.keyCode = '37') {
}
else if (field.keyCode = '39') {
// right arrow
}
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