DHTML - JavaScript
JavaScript can create dynamic HTML content.
Date:
JavaScript Alone
In JavaScript, the statement: document.write(), is used to write output to a web page.
Example
The following example uses JavaScript to display the current date and time on
a page:
Example
<html>
<body>
<script type="text/javascript">
document.write(Date());
</script>
</body>
</html> |
View it » |
JavaScript and the HTML DOM
A JavaScript can also be used to change the content or attributes of HTML elements.
To change the content of an HTML element:
| document.getElementById(id).innerHTML=new HTML |
To change the attribute of an HTML element:
| document.getElementById(id).attribute=new value |
You will learn more about JavaScript and the HTML DOM in the next chapter of this tutorial.
JavaScript and HTML Events
A JavaScript can also be executed when an event occurs, like when a user clicks on an HTML element.
To execute code when a user clicks on an element, use the following event attribute:
You will learn more about JavaScript and HTML events in a later chapter.
JavaScript and CSS
A JavaScript can also change the style of HTML elements.
To change the style of an HTML element:
| document.getElementById(id).style.property=new style |
You will learn more about JavaScript and CSS in a later chapter of this tutorial.
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