Flash cards
Review the key moves
What is the main idea behind JavaScript Window History?
Lesson checks
Practice each idea before moving on
Short Mimo-style checks built from this lesson's code, terms, and sequence.
Which statement best captures the main point of this lesson?
Complete the missing token from the example code.
___ goBack() {Put the learning moves in the order that makes the concept easiest to apply.
The window.history object contains the browsers history.
Window History
The window.history object can be written without the window prefix.
To protect the privacy of the users, there are limitations to how JavaScript can access this object.
Some methods
- history.back() - same as clicking back in the browser
- history.forward() - same as clicking forward in the browser
Window History Back
The history.back() method loads the previous URL in the history list.
This is the same as clicking the Back button in the browser.
Example
Create a back button on a page:
<html>
<head>
<script>
function goBack() {
window.history.back()
}
</script>
</head>
<body>
<input type="button" value="Back" onclick="goBack()">
</body>
</html>The output of the code above will be:
Window History Forward
The history.forward() method loads the next URL in the history list.
This is the same as clicking the Forward button in the browser.
Example
Create a forward button on a page:
<html>
<head>
<script>
function goForward() {
window.history.forward()
}
</script>
</head>
<body>
<input type="button" value="Forward" onclick="goForward()">
</body>
</html>The output of the code above will be: