how to modify a comma separated list

Question

i have a string which is coming as 1,2,3,4,5,6

i want thee string to be as: id=1&id=2&id=3&id=4&id=5&id=6 as in jquery, how can i modift the string like tis: the value i am getting is from the array as like this, i need to pass it to my href link so i can use it on my next page

var arr = [];
        $('input[class="allchecks"]:checked').each(function() {
          arr.push($(this).val());
        });
        alert(arr); 

Answer 1

$('input[class="allchecks"]:checked').map(function(id) {
    return 'id=' + $(this).val();
}).join('&');

Answer 2

尝试使用数组连接方法：

arr.join('&');