Demo

Default implementation

Using bootstrap CSS and a flickr image.

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Override data-src example

Previous example using attributes to override images by a new one in some cases.

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Alway use the same image for the "col-md-8" display.

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Override image on "tablet" breakpoint but use the global lazyloader configuration on the new image according to display & breakpoint.

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Override image on "default" display & "desktop" breakpoint but use the global lazyloader configuration on the new image according to display & breakpoint.