How to send a Javascript/Ajax variable to a php page using AJAX -

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function rungetiperfspeedajax(speedvar, actualip) {     var xmlhttp = getajaxobject();     xmlhttp.onreadystatechange = function () {         if (xmlhttp.readystate == 4 && xmlhttp.status == 200) {             processiperfrequest(xmlhttp.responsetext, speedvar);         }     }     xmlhttp.open('get', 'lib/getiperfspeed.php', true);     xmlhttp.setrequestheader('content-type', 'application/x-www-form-urlencoded');     xmlhttp.send(); }  function processiperfrequest(response, speedvar) {     alert("proccess");     document.getelementbyid(speedvar).style.display = 'none';     document.getelementbyid('displayspeedtest').style.display = 'block';     document.getelementbyid('displayspeedtest').innerhtml = response; }

getajaxobject() not included standard. making onclick javascript call calls rungetiperfspeedajax. works if hard set ip in "lib/getiperfspeed.php". cannot seem pass actualip "lib/getiperfspeed.php". tried 'lib/getiperfspeed.php'+actualip attempt pass , access through post.

all appreciated.

if want pass ip value have add key

function rungetiperfspeedajax(speedvar, actualip) {     var xmlhttp = getajaxobject();     xmlhttp.onreadystatechange = function () {         if (xmlhttp.readystate == 4 && xmlhttp.status == 200) {             processiperfrequest(xmlhttp.responsetext, speedvar);         }     }     xmlhttp.open('get', 'lib/getiperfspeed.php?ip='+actualip, true);     // missing in code '&ip='+actualip     xmlhttp.setrequestheader('content-type', 'application/x-www-form-urlencoded');     xmlhttp.send(); }  function processiperfrequest(response, speedvar) {     alert("proccess");     document.getelementbyid(speedvar).style.display = 'none';     document.getelementbyid('displayspeedtest').style.display = 'block';     document.getelementbyid('displayspeedtest').innerhtml = response; }

so in getiperfspeed.php actualip ip

$_get['ip']

if need pass actualip post need change ajax post.


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