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ÀÔ·Â ÇØ º¸¼¼¿ä~ <input type="text" onkeydown="num_only(this)" onkeyup="num_only(this)"> ÀÔ·Â ÇØ º¸¼¼¿ä~ <script language="JavaScript"> function num_only(f) { ins = f.value; var pnumresult=""; for (i=0; i<ins.length; i++) { charpnum = ins.substr(i,1); if (charpnum.charCodeAt(0) > 47 && charpnum.charCodeAt(0) < 58) pnumresult = pnumresult + charpnum; } f.value = pnumresult; } </script>