CODE EXAMPLE FOR JAVASCRIPT

remove text and keep div inside a div jquery

$(function() {
  $("#to-clean, #to-clean *")                  // selects the element and all element nodes inside it
    .contents()                                // selects all child nodes including tags, comments and text
    .filter(function() {
      return this.nodeType === Node.TEXT_NODE; // filter text nodes
    }).remove();                               // boom!
});