Method addOverlay

typings/codemirror/codemirror.d.ts:141–141

Enable a highlighting overlay.This is a stateless mini - mode that can be used to add extra highlighting. For example, the search add - on uses it to highlight the term that's currently being searched. mode can be a mode spec or a mode object (an object with a token method). The opti

(mode: any, options?: any)

        Currently, only the opaque option is recognized. This defaults to off, but can be given to allow the overlay styling, when not null,
        to override the styling of the base mode entirely, instead of the two being applied together. */
        addOverlay(mode: any, options?: any): void;

        /** Pass this the exact argument passed for the mode parameter to addOverlay to remove an overlay again. */
        removeOverlay(mode: any): void;