How do I load html into a variable with jquery

$.get("http://www.mypage.com", function( my_var ) {
    // my_var contains whatever that request returned
});

Underneath, jQuery will launch an ajax request which fires to the given URL. It also tries to intelligently guess which data is going to be received (if it’s valid html you don’t need to specify). If you need to get another data type just pass that in as last argument, for instance

$.get("http://www.mypage.com", function( my_var ) {
    // my_var contains whatever that request returned
}, 'html');  // or 'text', 'xml', 'more'

Reference: http://api.jquery.com/jQuery.get/