JavaScript Tutorial/Document/write
Содержание
- 1 Do calculation in document.write
- 2 document.writeln()
- 3 Escape quotation marks in document.write
- 4 Output all array element with document.write
- 5 Output the HTML tags by using the document.write
- 6 Use document.write between the HTML tags
- 7 Use document.write() to output the HTML tags
- 8 Writing to a Document
Do calculation in document.write
<html>
<head>
<title>Find the area and circumference of a circle</title>
<script type="text/javascript" language="javascript">
<!-- //
function FindArea(){
var number = new Number(123);
document.write("<P>You entered a radius of " + number + "</p>");
document.write("<P>The area of the circle is " + (number * number * Math.PI) + "</p>");
document.write("<P>The circumference of the circle is " + (2 * number * Math.PI) + "</p>");
}
// -->
</script>
</head>
<body onload="FindArea()">
</body>
</html>
document.writeln()
Syntax
document.writeln(value,....)
Escape quotation marks in document.write
<HTML>
<BODY>
<SCRIPT language="JavaScript">
<!--
document.write("John said, \"This project is fun!\"");
//-->
</SCRIPT>
</BODY>
</HTML>
Output all array element with document.write
<html>
<head>
<title>Writing an Array</title>
</head>
<body>
<P>
<script language="javascript" type="text/javascript">
<!--
var myArray = new Array();
myArray[0] = "AAA";
myArray[1] = "BBB";
myArray[2] = "CCC";
for (var i=0; i<myArray.length; i++) {
document.write("Element " +i+ " contains: " +myArray[i]+ "<br />");
}
//-->
</script>
</p>
</body>
</html>
Output the HTML tags by using the document.write
<HTML>
<BODY>
<SCRIPT language="JavaScript">
<!--
var myheading="This is My Web Page!";
var linktag="<A HREF="http://www.wbex.ru">Web Site Link!</A>";
var sometext="This text can be affected by other statements.";
var begineffect="<U>";
var endeffect="</U>";
var newsection="<BR>";
document.write(myheading);
document.write(newsection);
document.write(begineffect);
document.write(sometext);
document.write(endeffect);
document.write(newsection);
document.write(linktag);
document.write(newsection);
document.write(sometext);
//-->
</SCRIPT>
</BODY>
</HTML>
Use document.write between the HTML tags
<HTML>
<BODY>
<B>start</B>
<P>
<SCRIPT language="JavaScript">
<!--
document.write("This came from my script, and is now on the page!");
//-->
</SCRIPT>
<P>
<B>end</B>
</BODY>
</HTML>
Use document.write() to output the HTML tags
<html>
<head>
<title>Writing HTML</title>
</head>
<body>
<script language="javascript" type="text/javascript">
<!--
document.write("<h1>Writing HTML</h1>");
var myPara = "<P> para </p> ";
myPara += "<P><B>document object"s write() method!</B></p>";
window.document.write(myPara);
//-->
</script>
</body>
</html>
Writing to a Document
Syntax
document.write(value,....)