What is the method for obtaining the previous URL in the route history that is different from the current URL?

Question

What is the method for obtaining the previous URL in the route history that is different from the current URL?

I have implemented a button on my application that allows the user to navigate back to the previous page.

Here is how it's set up:

<button ng-click="goBack()">Go back</button>

$scope.goBack = function() {
    $window.history.back();        
}

However, I am looking to modify this functionality so that the button takes the user to the previous URL that is different from the current URL, rather than just the previously visited page (which may have the same URL as the current one).

For example:

If I visit /home, then /products, followed by another /products, and then one more /products
I would like the button to take me back to /home.

Is there a way to achieve this and retrieve the first URL that is different from the current one?

javascript angularjs angular-routing

Answer 1

Answer №1

For security reasons, you won't be able to access the native history URLs, but there's a workaround using Angular. You can maintain your own history records with a service like myHistoryService:

app.run(function($rootScope, $location, myHistoryService) {
    $rootScope.$on('$routeChangeStart', function(ev, next) {
        var path = $location.path();
        myHistoryService.push(path);
    });
});

In myHistoryService, you have the flexibility to push to an array or implement any custom logic you need.

This approach is suitable if you only require the history functionality within your domain.

Answer 2

For security reasons, you won't be able to access the native history URLs, but there's a workaround using Angular. You can maintain your own history records with a service like myHistoryService:

app.run(function($rootScope, $location, myHistoryService) {
    $rootScope.$on('$routeChangeStart', function(ev, next) {
        var path = $location.path();
        myHistoryService.push(path);
    });
});

In myHistoryService, you have the flexibility to push to an array or implement any custom logic you need.

This approach is suitable if you only require the history functionality within your domain.

Answer 3

Answer №2

Managing navigation within your Angular app can be easily achieved by tracking state changes and URLs.

To do this, you can listen for the stateChangeSuccess event to monitor when the state changes, and keep a count of how many times the URL remains the same. When you want to navigate back to the previous unique URL, simply use window.history.go(-X), where X represents the number of identical URLs.

Below is a simple example (using $rootScope for simplicity) to demonstrate this concept:

angular.module('YourModule').run(function() {
    var lastUrl, counter;
    $rootScope.$on('$stateChangeSuccess', function(event, toState) {
        if (lastUrl != toState.url) {
            counter = 1;
            lastUrl = toState.url;
        } else {
            counter++;
        }
    });
    $rootScope.goBack = function() {
        $window.history.go(-1 * counter);
    };
});

Answer 4

Managing navigation within your Angular app can be easily achieved by tracking state changes and URLs.

To do this, you can listen for the stateChangeSuccess event to monitor when the state changes, and keep a count of how many times the URL remains the same. When you want to navigate back to the previous unique URL, simply use window.history.go(-X), where X represents the number of identical URLs.

Below is a simple example (using $rootScope for simplicity) to demonstrate this concept:

angular.module('YourModule').run(function() {
    var lastUrl, counter;
    $rootScope.$on('$stateChangeSuccess', function(event, toState) {
        if (lastUrl != toState.url) {
            counter = 1;
            lastUrl = toState.url;
        } else {
            counter++;
        }
    });
    $rootScope.goBack = function() {
        $window.history.go(-1 * counter);
    };
});

Answer 5

Answer №3

1.

If you want to navigate the browser back to the previous page, you can use the function window.history.back();. However, it is not possible to access the URL of that page for security reasons. Being able to do so would pose a risk of spying on users as they visit your website.

On the same domain, you can utilize document.referrer to obtain the previous URL.

2.

To interact with the browser history, you can make use of the History Object.

You can access this object using window.history, which will provide an array of history items. By comparing the current location window.location.href with the data from this object, you can manage the browsing history effectively.

Answer 6

1.

If you want to navigate the browser back to the previous page, you can use the function window.history.back();. However, it is not possible to access the URL of that page for security reasons. Being able to do so would pose a risk of spying on users as they visit your website.

On the same domain, you can utilize document.referrer to obtain the previous URL.

2.

To interact with the browser history, you can make use of the History Object.

You can access this object using window.history, which will provide an array of history items. By comparing the current location window.location.href with the data from this object, you can manage the browsing history effectively.

What is the method for obtaining the previous URL in the route history that is different from the current URL?

Is there a way to achieve this and retrieve the first URL that is different from the current one?

Answer №1

Answer №2

Answer №3

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