// Loop all .fetchSize links
$('a.fetchSize').each(function(){
 
  // Issue an AJAX HEAD request for each one
    var link = this;
 
    $.ajax({
        type: 'HEAD',
        url: link.href,
        complete: function(xhr){
            var size = humanize(xhr.getResponseHeader('Content-Length'));
 
            // Append the filesize to each
            $(link).append(' (' + type + ')');
        }
    });
});
 
function humanize(size){
    var units = ['bytes','KB','MB','GB','TB','PB'];
 
    var ord = Math.floor( Math.log(size) / Math.log(1024) );
    ord = Math.min( Math.max(0,ord), units.length-1);
 
    var s = Math.round((size / Math.pow(1024,ord))*100)/100;
    return s + ' ' + units[ord];
}
 
// html
// First Trickshot
// This Trickshot
// Ball.png

$.ajax({
    url: "ajax.php",
    type: "POST",
    data: "id=" + id_value + "&mode=" + mode_value,
    cache: false,
    success: function(data) {
        $('#ajax_result').html($.trim(data))
    }
});

Выделить этот текст!

и этот!

function SelectText(element) {
    var doc = document
        , text = doc.getElementById(element)
        , range, selection
    ;    
    if (doc.body.createTextRange) {
        range = document.body.createTextRange();
        range.moveToElementText(text);
        range.select();
    } else if (window.getSelection) {
        selection = window.getSelection();        
        range = document.createRange();
        range.selectNodeContents(text);
        selection.removeAllRanges();
        selection.addRange(range);
    }
}

$(function() {
    $('p').click(function() {
        SelectText('selectme');
    });
});

jQuery.fn.oneFingerScroll = function() {
    var scrollStartPos = 0;
    $(this).bind('touchstart', function(event) {

        var e = event.originalEvent;
        scrollStartPos = $(this).scrollTop() + e.touches[0].pageY;
        e.preventDefault();
    });
    $(this).bind('touchmove', function(event) {
        var e = event.originalEvent;
        $(this).scrollTop(scrollStartPos - e.touches[0].pageY);
        e.preventDefault();
    });
    return this;

};

//usage
$('#scrollMe').oneFingerScroll();

$(window).bind('orientationchange', function(event) {
           someFunction();
        });

function rotate(obj, degree) {
            $(obj).animate({
                        '-webkit-transform': 'rotate(' + degree + 'deg)',
                        '-moz-transform': 'rotate(' + degree + 'deg)',
                        '-ms-transform': 'rotate(' + degree + 'deg)',
                        '-o-transform': 'rotate(' + degree + 'deg)',
                        'transform': 'rotate(' + degree + 'deg)',
                        'zoom': 1
            }, 5000);
        }

var default_content="";

$(document).ready(function(){
        checkURL();
        $('a').click(function (e){
                checkURL(this.hash);
        });
        default_content = $('#ajaxContent').html();
        setInterval("checkURL()",250);
});

var lasturl="";

function checkURL(hash)
{
        if(!hash) hash=window.location.hash;
        if(hash != lasturl)
        {
                backurl=lasturl;
                lasturl=hash;
                if(hash==""){
                        $('#ajaxContent').html(default_content);
                }else{
                        loadPage(hash,backurl);
                }
        }
}

function loadPage(url,backurl)
{
        toSend                  = new Object();
    toSend.url          = url;
    toSend.backurl      = backurl;
        toSend.path     = window.location.pathname;
    str_json            = JSON.stringify(toSend); 
        
        $('#loading').css('visibility','visible');
        
        $.ajax({
                type: "POST",
                url: "ajax.php",
                data: {act:"loadpage",param:str_json},
                success: function(response){
                        if(parseInt(response)!=0)
                        {
                                $('#ajaxContent').html(response);
                                $('#loading').css('visibility','hidden');
                        }
                }
        });
}

var isShift = false;
  $('input[type="text"]').keyup( function(e){

    if (e.which == 16 ) isShift = false;

  }).keydown( function(e) {

      $(this).attr('autocomplete',"off");

      // Shift key
      if(e.which == 16) isShift = true;

      var v = (isShift == true) ? 10 : 1;

      // Arrow up code
      if (e.keyCode == 38)
        $(this).val( parseInt( $(this).val() ) + v );

      // Arrow down code
      if (e.keyCode == 40)
        $(this).val( parseInt( $(this).val() ) - v );
  });

    





Click me!

$('#myTextField').keyup(function() {
   $('#myButton').attr('disabled', !$('#myTextField').val());
});

$("a[href='#top']").click(function() {
  $("html, body").animate({ scrollTop: 0 }, "fast");
  return false;
});

$("#error_box").fadeIn(500).delay(3000).fadeOut(500);