Checkout.js — это плагин jQuery для простой реализации проверок на сайтах электронной коммерции.
Простой пример checkout.js, как показано ниже —
<html xmlns = "https://www.w3.org/1999/xhtml"> <head> <meta http-equiv = "Content-Type" content = "text/html; charset = iso-8859-1" /> <title>Untitled Document</title> <script type = "text/javascript" src = "jquery-1.3.2.js"></script> <script type = "text/javascript" src = "jquery.livequery.js"></script> <link href = "css.css" rel = "stylesheet" /> <script type = "text/javascript"> $(document).ready(function() { var Arrays = new Array(); $('#wrap li').mousemove(function(){ var position = $(this).position(); $('#cart').stop().animate({ left : position.left+'px', },250,function(){ }); }).mouseout(function(){ }); $('#wrap li').click(function(){ var thisID = $(this).attr('id'); var itemname = $(this).find('div .name').html(); var itemprice = $(this).find('div .price').html(); if(include(Arrays,thisID)){ var price = $('#each-'+thisID).children(".shopp-price"). find('em').html(); var quantity = $('#each-'+thisID).children(".shopp-quantity").html(); quantity = parseInt(quantity)+parseInt(1); var total = parseInt(ite mprice)*parseInt(quantity); $('#each-'+thisID).children(".shopp-price"). find('em').html(total); $('#each-'+thisID).children(".shopp-quantity").html(quantity); var prev_charges = $('.cart-total span').html(); prev_charges = parseInt(prev_charges)-parseInt(price); prev_charges = parseInt(prev_charges)+parseInt(total); $('.cart-total span').html(prev_charges); $('#total-hidden-charges').val(prev_charges); } else { Arrays.push(thisID); var prev_charges = $('.cart-total span').html(); prev_charges = parseInt(prev_charges)+parseInt(itemprice); $('.cart-total span').html(prev_charges); $('#total-hidden-charges').val(prev_charges); $('#left_bar .cart-info').append(' <div class = "shopp" id = "each-'+thisID+'"> <div class = "label">'+itemname+'</div> <div class = "shopp-price"> $<em>'+itemprice+'</em></div> <span class = "shopp-quantity">1</span> <img src = "remove.png" class = "remove" /> <br class = "all" /> </div>'); $('#cart').css({'-webkit-transform' : 'rotate(20deg)','-moz-transform' : 'rotate(20deg)' }); } setTimeout('angle()',200); }); $('.remove').livequery('click', function() { var deduct = $(this).parent().children(".shopp-price").find('em').html(); var prev_charges = $('.cart-total span').html(); var thisID = $(this).parent().attr('id').replace('each-',''); var pos = getpos(Arrays,thisID); Arrays.splice(pos,1,"0") prev_charges = parseInt(prev_charges)-parseInt(deduct); $('.cart-total span').html(prev_charges); $('#total-hidden-charges').val(prev_charges); $(this).parent().remove(); }); $('#Submit').livequery('click', function() { var totalCharge = $('#total-hidden-charges').val(); $('#left_bar').html('Total Charges: $'+totalCharge); return false; }); }); function include(arr, obj) { for(var i = 0; i<arr.length; i++) { if (arr[i] == obj) return true; } } function getpos(arr, obj) { for(var i = 0; i<arr.length; i++) { if (arr[i] == obj) return i; } } function angle(){$('#cart').css({'-webkit-transform' : 'rotate(0deg)','-moz-transform' : 'rotate(0deg)' });} </script> </head> <body> <div align = "left"> <div id = "wrap" align = "left"> <ul> <li id = "1"> <img src = "a1.png" class = "items" height = "100" alt = "" /> <br clear = "all" /> <div><span class = "name">Learn Java: Price</span>: $<span class = "price"> 800</span> </div> </li> <li id = "2"> <img src = "5.png" class = "items" height = "100" alt = "" /> <br clear = "all" /> <div><span class = "name">Learn HTML </span>: $<span class = "price">500 </span></div> </li> <li id="3"> <img src = "1.png" class = "items" height = "100" alt = "" /> <br clear = "all" /> <div><span class = "name">Learn Android </span>: $<span class = "price">450 </span></div> </li> <li id = "4"> <img src = "6.png" class = "items" height = "100" alt = "" /> <br clear = "all" /> <div><span class = "name">Learn SVG </span>: $<span class = "price">1200 </span></div> </li> <li id = "5"> <img src = "7.png" class = "items" height = "100" alt = "" /> <br clear = "all" /> <div> <span class = "name">Learn Bootstrap </span>: $<span class = "price">65 </span></div> </li> <li id = "6"> <img src = "5.png" class = "items" height = "100" alt = "" /> <br clear = "all" /> <div><span class = "name">Learn HTML </span>: $<span class = "price">800 </span> </div> </li> <li id = "7"> <img src = "7.png" class = "items" height = "100" alt = "" /> <br clear = "all" /> <div><span class = "name"> Learn Bootstrap </span>: $<span class = "price">45 </span></div> </li> <li id = "8"> <img src = "6.png" class = "items" height = "100" alt = "" /> <br clear = "all" /> <div><span class = "name">Learn SVG </span>: $<span class = "price">900 </span></div> </li> <li id = "9"> <img src = "8.png" class = "items" height = "100" alt = "" /> <br clear = "all" /> <div><span class = "name">Learn Angular Js </span>: $<span class = "price">20 </span></div> </li> </ul> <br clear = "all" /> </div> <div id = "left_bar"> <form action = "#" id="cart_form" name = "cart_form"> <div class = "cart-info"></div> <div class = "cart-total"> <b>Total Charges: </b> $<span>0</span> <input type = "hidden" name = "total-hidden-charges" id = "total-hidden-charges" value = "0" /> </div> <button type = "submit" id = "Submit">CheckOut</button> </form> </div> </div> </body> </html>
Это должно привести к следующему результату —