Get selected text from the browswer window

selectedText.js

selectedText: function() {
    var html = '';

    if (typeof window.getSelection !== "undefined") {
        var sel = window.getSelection();
        if (sel.rangeCount) {
            var container = document.createElement("div");
            for (var i = 0, len = sel.rangeCount; i < len; ++i) {
                container.appendChild(sel.getRangeAt(i).cloneContents());
            }
            html = container.innerHTML;
        }
    } else if (typeof document.selection !== "undefined") {
        if (document.selection.type === "Text") {
            html = document.selection.createRange().htmlText;
        }
    }

    // Strip out any .click elements from the HTML before converting it to text
    var div = document.createElement('div');
    div.innerHTML = html;
    $('.clicks', $(div)).remove();
    var text = div.textContent || div.innerText || "";

    return String(text).trim();
  }