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HOME > Javascript Tips & Tricks : การใช้งาน JavaScript ร่วมกับ Form > JavaScript HTML Check Checkbox

JavaScript HTML Check Checkbox

JavaScript HTML Check Checkbox ตัวอย่างนี้จะเป็นการใช้ JavaScript ควบคุม การตรวจสอบค่าว่างของ Checkbox

Sample1 การใช้ JavaScript ในการตรวจสอบค่าว่างของ Checkbox

<html>
<head>
<title>ThaiCreate.Com Tutorial</title>
</head>
<body>
<script language="javascript">
function fncSubmit()
{
	if(document.form1.chk1.checked == false)
	{
		alert('Please Click Checkbox 1 ');
		return false;
	}	
	if(document.form1.chk2.checked == false)
	{
		alert('Please Click Checkbox 2 ');
		return false;
	}	
	document.form1.submit();
}
</script>
<form action="page.cgi" method="post" name="form1" onSubmit="JavaScript:return fncSubmit();">
Checkbox 1 
  <input name="chk1" type="checkbox" id="chk1" value="Y">
  <br>
Checkbox 2 
<input name="chk2" type="checkbox" id="chk2" value="Y">
<br>
<input name="btnSubmit" type="submit" value="Submit" >
</form>
</body>
</html>

PHP MySQL Multiple Checkbox Delete Record

https://www.thaicreate.com/php/php-mysql-multiple-checkbox-delete-record.html

Property & Method (Others Related)

JavaScript HTML Check Multiple Checkbox

ช่วยกันสนับสนุนรักษาเว็บไซต์ความรู้แห่งนี้ไว้ด้วยการสนับสนุน Source Code 2.0 ของทีมงานไทยครีเอท

ลองใช้ค้นหาข้อมูล


	By :	ThaiCreate.Com Team (บทความเป็นลิขสิทธิ์ของเว็บไทยครีเอทห้ามนำเผยแพร่ ณ เว็บไซต์อื่น ๆ)
	Score Rating :
	Create/Update Date :	2008-07-19 17:33:50 / 2009-10-17 09:01:05
	Download :	No files

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