文本框脚本_屏蔽_非数字字符 P423

EventUtil.addHandler(textbox, "keypress", function(event){
     event = EventUtil.getEvent(event);
     var target = EventUtil.getTarget(event);
     var charCode = EventUtil.getCharCode(event);
     if ( !/\d/.test(String.fromCharCode(charCode)) && charCode > 9 && !event.ctrlKey){
     　　EventUtil.preventDefault(event);
 　　}
});