--- layout: layout.njk title: htmx - high power tools for html --- ## The `morphdom-swap` Extension This extension allows you to use the [morphdom](https://github.com/patrick-steele-idem/morphdom) library as the swapping mechanism in htmx. The `morphdom` library does not support morph element to multiple elements. If the result of `hx-select` is more than one element, it will pick the first one. #### Usage ```html

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