How to Dynamically Set Background Images in AngularJS with ng-style?

AngularJS: ng-src Equivalent for CSS Background-Image URL

In AngularJS, utilizing the ng-src attribute ensures error-free image rendering by resolving variable references within the URL. However, when background images are applied to DIV elements using the background-image: url(...) syntax, similar issues arise due to dynamic variable inclusion and premature browser error display.

Addressing this problem requires a more refined approach than simply wrapping the entire background image style within double curly braces. Instead, a direct method has been identified: using the ng-style directive in conjunction with JavaScript expressions.

By encapsulating the background-image property within curly braces and prefixing it with 'url(' and ')', followed by the concatenation of /static/ and the imgURL variable (or any custom variable), the necessary dynamic binding is achieved. This JavaScript-based solution accurately resolves the variable references, preventing premature error triggering and maintaining a cleaner codebase.

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