JS判斷只能是數字和小數點 1.文本框只能輸入數字代碼(小數點也不能輸入) <input onkeyup="this.value=this.value.replace(/\D/g,'')" onafterpaste="this.value=this.value.replace(/\D/g ...
.文本框只能輸入數字代碼 小數點也不能輸入 lt input onkeyup this.value this.value.replace D g, onafterpaste this.value this.value.replace D g, gt .只能輸入數字,能輸小數點. lt input onkeyup if isNaN value execCommand undo onafterpas ...
2014-09-04 22:18 0 14389 推薦指數:
JS判斷只能是數字和小數點 1.文本框只能輸入數字代碼(小數點也不能輸入) <input onkeyup="this.value=this.value.replace(/\D/g,'')" onafterpaste="this.value=this.value.replace(/\D/g ...
)) { alert("請輸入正確的數字"); e.value = ...
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title& ...
只能輸入數字和小數點的正則 <input type="text" autocomplete="off" id="price" autofocus="autofocus" onkeyup="value=value.replace(/[^\d^\.]+/g,'')"> ...
js代碼如下: <script language="JavaScript" type="text/javascript"> function clearNoNum(obj){ obj.value = obj.value.replace(/[^\d.]/g ...
; <script src="js/jq.js"></script&g ...