jQuery implements addition and subtraction of the quantity of multiple items in the shopping cart and total price calculation_jquery

Copy code The code is as follows:

<script> <br>$(function(){ <br> $(".add").click(function(){ <br>var t=$(this).parent().find('input[class*=text_box]'); <br>t.val(parseInt (t.val()) 1) <br>setTotal(); <br>}) <br>$(".min").click(function(){ <br>var t=$(this).parent ().find('input[class*=text_box]'); <br>t.val(parseInt(t.val())-1) <br>if(parseInt(t.val())<0 ){ <br>t.val(0); <br>} <br>setTotal(); <br>}) <br>function setTotal(){ <br>var s=0; <br>$(" #tab td").each(function(){ <br>s =parseInt($(this).find('input[class*=text_box]').val())*parseFloat($(this).find ('span[class*=price]').text()); <br>}); <br>$("#total").html(s.toFixed(2)); <br>} <br>setTotal(); <br><br>}) <br></script>

Unit price:1.50

Unit price:3.95

< ;p>Total price: