location.assign() usage method

In front-end development, we often need to use JavaScript to control page jumps and data transfer. location.assign is a commonly used jump method in JavaScript. Through location.assign, we can load a new URL address in the current window or iframe, and save the history of the old page.

1. Introduction

In front-end development, we often need to use JavaScript to control page jumps and data transfer. location.assign is a commonly used jump method in JavaScript. Through location.assign, we can load a new URL address in the current window or iframe, and save the history of the old page.

2. Usage method

Using the location.assign method is very simple. You only need to call this method in JavaScript and pass in the URL address that needs to be jumped. For example:

location.assign("https://www.example.com");

This code will load the URL address https://www.example.com in the current window or iframe.

In addition to directly passing in the URL address, we can also use JavaScript variables to represent the address that needs to be jumped. For example:

var url = "https://www.example.com";
location.assign(url);

In this way, we can jump to different URL addresses based on different values ​​​​in the variables.

3. Save history

By default, the location.assign method will save the history of the old page, so that the user can jump back to the previous page through the browser back button. If we don't want to save the history, we can use the location.replace method instead of the location.assign method.

The method of using location.replace method is similar to location.assign. You only need to call this method in JavaScript and pass in the URL address that needs to be jumped. For example:

location.replace("https://www.example.com");

This code will load the URL address https://www.example.com in the current window or iframe, and will not save the history of the current page.

4. Compatibility issues

The location.assign and location.replace methods are supported by mainstream browsers and do not require special processing. However, compatibility issues may occur in the mobile Webview and need to be paid attention to.

5. Summary

Through the introduction of this article, we understand the usage and specific implementation principles of the location.assign method, and also know how to control whether the page saves history records. In actual development, we can combine other JavaScript methods and frameworks to achieve richer and more complex page jumps and interactive functions.

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