Flash cards
Review the key moves
What is the main idea behind Web History API?
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.
<___ onclick="myFunction()">Go Back</button>Put the learning moves in the order that makes the concept easiest to apply.
The Web History API provides easy methods to access the windows.history object.
The window.history object contains the URLs (Web Sites) visited by the user.
The Web History API is supported in all browsers:
| Yes | Yes | Yes | Yes | Yes |
|---|
The History back() Method
The back() method loads the previous URL in the windows.history list.
It is the same as clicking the "back arrow" in your browser.
Example
<button onclick="myFunction()">Go Back</button>
<script>
function myFunction() {
window.history.back();
}
</script>Go Back
The History go() Method
The go() method loads a specific URL from the history list:
Example
<button onclick="myFunction()">Go Back 2 Pages</button>
<script>
function myFunction() {
window.history.go(-2);
}
</script>Go Back 2 Pages
History Object Properties
| Property | Description |
|---|---|
| length | Returns the number of URLs in the history list |
History Object Methods
| Method | Description |
|---|---|
| back() | Loads the previous URL in the history list |
| forward() | Loads the next URL in the history list |
| go() | Loads a specific URL from the history list |