Reload Parent Window From Child Window

When you're working on a web application, you may encounter situations where you need to reload the parent window from a child window. This can be useful for ensuring that any changes made in the child window reflect in the parent window without the user having to manually refresh the entire page. In this article, we'll discuss how you can easily achieve this using JavaScript.

To reload the parent window from a child window, you can utilize the `window.opener` property provided by the JavaScript `window` object. The `window.opener` property refers to the parent window that opened the current child window.

Here's a simple step-by-step guide on how to reload the parent window from a child window:

1. Access the parent window object from the child window by using the `window.opener` property. You can do this by simply calling `window.opener`.

2. Once you have access to the parent window object, you can use the `location.reload()` method to reload the parent window. This method reloads the current page, updating any changes that have been made.

3. To trigger the reload of the parent window from the child window, you can create a button or link in the child window that, when clicked, calls a JavaScript function to reload the parent window. Here's an example of how you can achieve this:

<button>Reload Parent Window</button>


function reloadParentWindow() {
    if (window.opener) {
        window.opener.location.reload();
    } else {
        alert("Parent window not found!");
    }
}

In this code snippet, we first create a button element that, when clicked, calls the `reloadParentWindow` function. Within the function, we check if the `window.opener` object exists (i.e., if there is a parent window). If it does, we use `window.opener.location.reload()` to reload the parent window. If the parent window is not found, an alert message is displayed to notify the user.

4. You can customize the reload behavior based on your specific requirements. For example, instead of using `location.reload()`, you can perform other actions such as updating specific elements on the parent window or passing data between the parent and child windows before reloading.

By following these steps, you can easily reload the parent window from a child window using JavaScript. This functionality can enhance user experience and ensure that changes made in the child window are promptly reflected in the parent window without requiring manual intervention.