JSFiddle - React, Tailwind, and code Playground

HTML

<div name="test" id="" data=""></div>

JavaScript

function getElementsByName_iefix(tag, name) {
     
     var elem = document.getElementsByTagName(tag);
     var arr = new Array();
     for(i = 0,iarr = 0; i < elem.length; i++) {
          att = elem[i].getAttribute("name");
          if(att == name) {
               arr[iarr] = elem[i];
               iarr++;
          }
     }
     return arr;
}

alert(getElementsByName_iefix('*', 'test').length);