Uncaught TypeError: undefined is not a function bootstrap.min.js:6-Collection of common programming errors

i made a function appendScript which will be called on a button click event my function code is

function appendScript()
{
    var v_js;
    var head= document.getElementsByTagName('head')[0];
    v_js = document.createElement('script');
    v_js.type = 'text/javascript';
    v_js.src = "//cdnjs.cloudflare.com/ajax/libs/jquery/2.0.2/jquery.min.js";
    head.appendChild(v_js);

    var body = document.getElementsByTagName('body')[0];
    v_js =document.createElement('script');
    v_js.type="text/javascript" ;
    v_js.src = "//cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/2.3.2/js/bootstrap.min.js";

    body.appendChild(v_js);
    var v_css = document.createElement('link');

    body.appendChild(v_css);

    interval=self.setInterval(function(){  if(jQuery && typeof $().modal ==  'function')
        {

            window.clearInterval(interval);

            //create a div in the body which we will use for our dialog.
            $(document.getElementsByTagName('body')[0]).append('×

Modal header


One fine body.CloseSave changes'); $('#myModal').modal('show') //setTimeout is non blocking (basically async) so lets put our apex call in a timeout so it doesn't //stop our dialog from showing. } } ,300); }

and the error i am facing is

Uncaught TypeError: undefined is not a function bootstrap.min.js:6
(anonymous function) bootstrap.min.js:6
(anonymous function) bootstrap.min.js:6