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HOME > Javascript Tips & Tricks : การใช้งาน JavaScript ร่วมกับ Form > Javascript Disable Enter Submit and Backspace on KeyPress

Javascript Disable Enter Submit and Backspace on KeyPress

Javascript Disable Enter Submit and Backspace on KeyPress เป็นตัวอย่างการ JavaScript ป้องกันกดปุ่ม Enter และ Backspace บน Keyboard

disable_backspace_enter.html

<html>
<head>
<title>ThaiCreate.Com Tutorial</title>
</head>
<body>
<form name="frmMain" action="" method="post">
<script language="JavaScript">
document.onkeydown = chkEvent 
var formInUse = false;
function chkEvent(e) {
	var keycode;
	if (window.event) keycode = window.event.keyCode; //*** for IE ***//
	else if (e) keycode = e.which; //*** for Firefox ***//
	if(keycode==13 || (keycode==8 && formInUse==false))
	{
		return false;
	}
}
</script>
Textbox 1 <input type="text" name="txt1" onfocus="formInUse = true;" onblur="formInUse = false;" value=""> <br>
Textbox 2 <input type="text" name="txt2" onfocus="formInUse = true;" onblur="formInUse = false;" value=""> <br>
Textbox 3 <input type="text" name="txt3" onfocus="formInUse = true;" onblur="formInUse = false;" value=""><br>
<input type="submit" name="btnSubmit" value="Submit">
</form>
</body>
</html>

Screenshot

Javascript Disable Enter Submit and Backspace on KeyPress

ช่วยกันสนับสนุนรักษาเว็บไซต์ความรู้แห่งนี้ไว้ด้วยการสนับสนุน Source Code 2.0 ของทีมงานไทยครีเอท

ลองใช้ค้นหาข้อมูล


	By :	ThaiCreate.Com Team (บทความเป็นลิขสิทธิ์ของเว็บไทยครีเอทห้ามนำเผยแพร่ ณ เว็บไซต์อื่น ๆ)
	Score Rating :
	Create/Update Date :	2011-06-19 11:15:23 / 2011-06-19 11:18:06
	Download :	No files

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