Sometimes when browsing web pages, you will find that some websites use html to pass values, and display different contents according to the different values. Its code
<scriptlanguage=JavaScripttype=text/javascript>
<!--
str=location.href;//Get the URL of this page
arr=str.split(?);
str1=arr[1];
arr1=str1.split(=);
alert(arr1[0]);
alert(arr1[1]);//After getting these two values, the content to be displayed may be obtained through ajax or iframe
//-->
</script>