Method contains

tools/common/_hyperscript.iife.js:1976–1983

(elt)

      return this.className;
    }
    contains(elt) {
      for (let element of this) {
        if (element.contains(elt)) {
          return true;
        }
      }
      return false;
    }
    get length() {
      return this.selectMatches().length;
    }