javascript - What is wrong with this code for XHR? -
this first code making xhr request, trying debug can't find fault is. using google chrome, , wamp server. url using html file in own computer
i sorry problem in helping me in solving problem. result expect?
i expect browser opent localhost/css/margins/margin.html
but happens page goes blank click on "click me!".
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <title>project 1</title> <script type="text/javascript"> var a; //creating object request named "a" if(window.xmlhttprequest) { = new xmlhttprequest(); } else if(window.activexobject) { a= new activexobject("microsoft.xmlhttp"); } function response() //this function utilize callback function { if(a.readystate==4) { if(a.status==200) { alert("perfect"); } else { alert("getting improper response"); } } else { alert("not getting response"); } } function open() //making request { a.open('get', "localhost/css/margins/margin.html", true); a.onreadystatechange = response; a.send(null); } </script> <span onclick="open();">click me!</span> //this onclick event phone call function create request. </head> <body> </body> </html>
your code fine, url entered not global, directs relative path of current page.
change a.open('get', location.protocol+"//localhost/css/margins/margin.html", true);
javascript ajax xmlhttprequest
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