Detecting and Reacting to Unsuccessful Loading of Images and Videos in Angular

2023/08/31

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The article discusses a recurring issue that occurs when building an app that allows people to share images and videos in Angular. Sometimes, the app tries to load an image or video that isn't available, resulting in an error message being displayed to the user. The author explores how to solve this issue by detecting and reacting to broken image and video links.

To detect broken image links, the author suggests using the error event within the img element. By setting up a listener for this event, developers can load a backup image when the original image fails to load.

Similarly, for broken video links, the same approach can be used by changing the variable names to reflect the video element.

The article provides code examples and a working demo on Stackblitz for reference.

Developers interested in enhancing their Ionic 5 app's 404 page or implementing visual representations of content before loading can find additional resources in the article.