var ele = document.getElementById("text");
    
    var tenElsStr = "<b>1</b><i>2</i><b>3</b><i>4</i><b>5</b><i>6</i><b>7</b><i>8</i><b>9</b><i> </i>";
    
    
    function multiply (str, num) {
        return Array(num + 1).join(str);
    }
    
    
    // This is much faster than simple use of innerHTML in some browsers
    // See <http://blog.stevenlevithan.com/archives/faster-than-innerhtml>
    
    
    function replaceHtml(el, html) {
      var oldEl = el;
    /*@cc_on // Pure innerHTML is slightly faster in IE
                oldEl.innerHTML = html;
                return oldEl;
        @*/
      var newEl = oldEl.cloneNode(false);
      newEl.innerHTML = html;
      oldEl.parentNode.replaceChild(newEl, oldEl);
    /* Since we just removed the old element from the DOM, return a reference
        to the new element, which can be used to restore variable references. */
      return newEl;
    }
    
    
    var testStr = multiply(tenElsStr, 1000);
    var $ele = $(ele);

Teardown JS

Test cases

Test #1

Title *

Async

Code *ele.innerHTML = testStr

Test #2

Title *

Async

Code *ele = replaceHtml(ele, testStr);

Test #3

Title *

Async

Code *$ele.html(testStr)

Test case details

Preparation Code

Test cases

Test #1

Test #2

Test #3