Walk through DOM making all parents position relative - Vue.js method snippet

vue_make_all_parents_relative.js

// Vue.js Method
    "doHeroClick": function( ev ){
      ev.preventDefault();
      if( oTopmenu && !oTopmenu.isMobile() ){
        var eTarget = this.$refs["pdp_zoom_reveal"];
        eTarget = eTarget.parentNode;
        if( eTarget ){
          while( eTarget.tagName !== "HTML" ){
            eTarget.style.position = "relative";
            eTarget = eTarget.parentNode;
          }          
        }
        if( ltdc_reveal ) ltdc_reveal.autoOpen("pdp_zoom_reveal");
      }
    },