Hi all I am trying to access the id of a div in lwc with the help external js(static resource) where code is like document.getElementById("createsulightning"); for <div id="createsulightning"></div> but when it renders in the community it shows <div id="createsulightning-18"> with any random no. so what changes need to be updated in js or html for working like situations . here is screenshot attached for inspecting element in chrome

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As inspired by the two answers to this post, try using this.template.querySelector() on a data-id property that you define on the child, or any other selector property.

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