an all-encompassing loading animation designed specifically for updates to location.href

We have a situation where a customer's website is displaying extremely slowly within an iFrame, taking about 7 seconds to load. All we can do is provide the customer with a JavaScript file for inclusion on their site, as they are not willing to make any further changes.

My question is: Is it feasible for me to intercept all events (such as form submissions and link clicks) in order to show a pleasant loading animation until the page has completely loaded?

Alternatively, could I potentially ajax-ify the entire site universally?

javascriptajaxanimationhookloading

Answer №1

When a page is unloaded and another begins to load, the original page's code becomes inaccessible and inactive, resulting in no ongoing activity or display of content from the original page.

During this transition, the new page is being loaded but its code has not yet started running.

As a result, traditional page javascript cannot be used to maintain functionality while a new page loads. Alternatives include utilizing frames with progress indicators on one frame and loading content on another, or potentially incorporating a browser plug-in.

The beforeunload event can signal when a page is being unloaded, but once the next page commences loading, any associated code will cease running and the current document will have been cleared.

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