Скачать или смотреть How to Sequentially Navigate Through Links on Button Click

Learn how to sequentially go through a list of links with each button click, ensuring a smoother navigation experience.
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This video is based on the question https://stackoverflow.com/q/64484480/ asked by the user 'David' ( https://stackoverflow.com/u/6685923/ ) and on the answer https://stackoverflow.com/a/64484695/ provided by the user 'Kartik Goyal' ( https://stackoverflow.com/u/1403205/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Navigating Through a List of Links with a Button Click

Have you ever wanted to provide your users with an easy way to navigate through a list of links, one at a time, simply by clicking a button? Rather than sending users to a random website each time they click, sequential navigation can create a more structured experience. In this post, we’ll discuss how to modify a basic button click function to move through a predefined list of links in order.

The Problem

We start with a simple button that triggers a JavaScript function when clicked. Initially, our function picks a random link from an array of URLs to open. However, we need to change this functionality so that it goes down the list of links sequentially instead of randomly. Here's how the user interaction should work:

1st Click: Navigate to the first link in the list.

2nd Click: Move to the second link.

3rd Click: Continue to the third link, and so on.

Setting Up the Initial Code

To implement this solution, we need to start with a button HTML element that triggers our JavaScript function when clicked. Below is the basic setup:

[[See Video to Reveal this Text or Code Snippet]]

Next, we define an array of links that we want to navigate through:

[[See Video to Reveal this Text or Code Snippet]]

The Sequential Navigation Solution

Now, let's take a look at how we can modify the JavaScript function to achieve our goal of sequential navigation instead of random selection.

Step 1: Create a Link Index

We need a variable to keep track of which link we are currently at in the array. We initialize this variable at the start:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Modify the Function

The main goal of our function openStuff() is to open the links in sequence. Here's how the function now looks:

[[See Video to Reveal this Text or Code Snippet]]

Explanation of the Function

Check the Index: Before trying to open a link, the function first checks if linkIndex is still within the bounds of the links array. If the index exceeds the length of the array, the function exits early to prevent errors.

Construct the Link: The link is constructed by concatenating 'https://' with the appropriate URL from the links array.

Open the Link: The constructed link is opened in a new window or tab, based on the user's browser settings.

Increment the Index: After opening the link, we increment linkIndex by one to prepare for the next button click.

Conclusion

With this simple approach, you can easily create a sequential navigation experience through a list of links. This method keeps your users engaged and provides a structured way to explore different sites. You just need to ensure your array is populated with the desired links before implementing this functionality. Happy coding!