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HOME > Javascript Tips & Tricks : การใช้งาน JavaScript ร่วมกับ Form > JavaScript toPrecision() Formats Specified length

JavaScript toPrecision() Formats Specified length

JavaScript toPrecision() Formats Specified length เป็นตัวอย่างการ JavaScript กับ toPrecision() ในการกำหนดรูปแบบที่มีความยาวที่กำหนด

toPrecision.html

<html>
<head>
<title>ThaiCreate.Com Tutorial</title>
</head>
<body>
<form name="frmMain" action="" method="post">
<script language="JavaScript">
	var num = new Number(25.45678);
	document.write(num.toPrecision()+"<br />");
	document.write(num.toPrecision(1)+"<br />");
	document.write(num.toPrecision(2)+"<br />");
	document.write(num.toPrecision(3)+"<br />");
	document.write(num.toPrecision(10));
</script>
</form>
</body>
</html>

Screenshot

JavaScript toPrecision()

ช่วยกันสนับสนุนรักษาเว็บไซต์ความรู้แห่งนี้ไว้ด้วยการสนับสนุน Source Code 2.0 ของทีมงานไทยครีเอท

ลองใช้ค้นหาข้อมูล


	By :	ThaiCreate.Com Team (บทความเป็นลิขสิทธิ์ของเว็บไทยครีเอทห้ามนำเผยแพร่ ณ เว็บไซต์อื่น ๆ)
	Score Rating :
	Create/Update Date :	2011-06-19 09:54:59 / 2011-06-19 10:02:51
	Download :	No files

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