The following example shows how to use JavaScript to write text on a Web page.
<html><body><script type="text/javascript">document.write("Hello World!");</script></body></html>
Here’s your first opportunity to personalize JavaScript. Change the “Hello World” text to “Happy, Happy, Joy, Joy!” and see what happens.
<html><body><script type="text/javascript">document.write("Happy, Happy, Joy, Joy!");</script></body></html>
The following example shows how to add HTML tags to the JavaScript.
<html><body><script type="text/javascript">document.write("<h1>Hello World!</h1>");</script></body></html>
Continuing with our happier version of the code, change the “Hello World!” text to “Happy, Happy, Joy, Joy!” and see what happens.
<html><body><script type="text/javascript">document.write("<h1>Happy, Happy, Joy, Joy!</h1>");</script></body></html>
To insert a JavaScript into an HTML page, we use the <script> tag. Inside the <script> tag we use the type attribute to define the scripting language. So, <script type="text/javascript"> and </script> tell where the Java- Script starts and ends:
<html><body><script type="text/javascript">...</script></body></html>
The document.write command is a standard JavaScript command for writing output to a page.
When you type the document.write command between the <script> and </script> tags, the browser will recognize it as a JavaScript command and execute the code line. In this case, the browser writes Hello World! to the page:
<html><body><script type="text/javascript">document.write("Hello World!");</script></body></html>
0 comments:
Post a Comment