OpaqueRangeThe createValueRange() for form elements, such as <textarea> or <input type="text">, gets an OpaqueRange object that represents a live span of text. You can use this for range-based operations on the input text, such as setting custom highlights or placing autocomplete popovers.selectionSelectionlimitedhttps://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/OpaqueRange/explainer.mdhttps://nowyoucanuse.com/features--opaquerange.html