javascript - Load variable from URL -


my example page url http://example.com/itemurl/?23 23 item number.

on page, need pull 23 , make variable can append url in ajax call xml file:

here script:

<script> $(document).ready(function () { $.ajax({     type: "get",     url: "https://example.com/getxml/",     datatype: "xml",     success: xmlparser    }); });  function xmlparser(xml) {  $(xml).find("product").each(function () {      $(".prod_title").append('<h1>' + $(this).find("item_name").text() +   '</h1><span>' + $(this).find("short_description").text() + '</span><ol class="breadcrumb"><li><a href="#">browse products</a></li><li><a href="#">your dashboard</a></li></ol>');     $(".category").append('<div class="cat">'+ $(this).find("category_name").text() +'<div>');     $(".product-rating").append('<i class="icon-star3">'+ $(this).find("no_of_units").text() +' units available</i>');     $(".product-price").append('<ins>arv: $'+ $(this).find("item_price").text() +' </ins>');     $(".product-image").append('<img src="'+ $(this).find("image_url").text() +'" alt="example_product"/>');     $(".exp-date").append('<li><i class="icon-caret-right"></i> expires on: '+ $(this).find("prod_exp").text() +'</li></div>');     $(".posted_in").append('category: '+ $(this).find("category_name").text() );     $(".prod_description").append('<p>'+ $(this).find("full_description").text() +'</p>');    });  }</script>

i need url in script https://example.com/getxml/23 i'm not sure how accomplish this.

the line url should this:

url: "https://example.com/getxml/"+window.location.search.substr(1),

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