Complete usage in js

What is?

In front-end development,Is a JavaScript property used to get or set the URL of the current page. It isAn attribute of the object that provides access and control of URLs in the browser address bar. pass, we can get the URL of the current page, or we can redirect the page to the new URL.

Get the current page URL

useThe URL of the current page can be easily obtained. This is very useful for scenarios where you need to get the current page URL for subsequent operations. Here is a simple example:

let currentURL = ;
("Current page URL:" + currentURL);

Page jump and redirect

One of the most common uses is to perform page redirects and redirects. By setting its value to a new URL, we can implement loading a new page in the browser. Here is a simple redirect example:

// Redirect the page to a new URL = "";

This is very practical for scenarios such as page jumps and navigation after user operations.

Get parameters in the URL

In web development, it is often necessary to obtain parameters from URLs.This function can be easily achieved by combining other methods. Here is an example of getting URL parameters:

// Get parameters in the URLfunction getParameterByName(name) {
    name = (/[[]/, "\\[").replace(/[\]]/, "\\]");
    let regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
        results = ();
    return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
}

// Use examplelet parameterValue = getParameterByName("example");
("URL parameter value:" + parameterValue);

Modify the URL without refreshing the page

Sometimes, we want to modify the URL without refreshing the entire page. By modifyingWe can implement the update URL without reloading the entire page. This is very useful for scenarios such as single page application (SPA).

// Modify the URL without refreshing the page({}, "", "/new-url");

Implement the forward and backward page

In the browser, users can navigate the page by clicking the browser's forward and back buttons. passCombinedObject, we can simulate this behavior in JavaScript.

// Back a page();

// Go to a page();

Determine whether the page has changed

Sometimes, we need to determine whether the page has changed to trigger some operations. AvailableEvents to implement some logic before the user closes the page.

 = function() {
    // Logic executed before the page is closed    return null;
};

Summarize

It is a very important and commonly used property in front-end development. It provides us with convenient means to obtain and operate page URLs. Whether it is to get the URL of the current page, perform page jumps, obtain URL parameters, or simulate the forward and backward of the page,All play a key role in implementing these functions.

This is the end of this article about the usage of js. For more related js content, please search for my previous articles or continue browsing the related articles below. I hope everyone will support me in the future!