<input type="text" id="d1" onblur=" chkNumber(this)"/> <script type=”text/javascript” /> function chkNumber(eleText) { var value =eleText.value; var len =value.length; for(vari=0;i<len;i++) { if(value.charAt(i)>"9"|| value.charAt(i)<"0") { alert("含有非数字字符"); eleText.focus(); break; } } } </script>
时间: 2024-08-09 06:38:37