- <script type="text/javascript">dcsMultiTrack('DCS.dcsuri','/a/b/c/d/e','DCS.dcsqry','_ABC=ABC_0001','DCSext.error_code','abc500','DCSext.error_desc','FAILURE','DCSext.error_type','ABC Error','DCSext.RegType','ABC Registration','DCSext.RegStep','ABC Entry');</script>
Suppose, there is a script with dcsMultiTrack method with its comma seperated values in the HTML page (as shown above).
Is it possible to fetch each of these comma seperated using JavaScript function at page load? Can someone please help me out and share the code snippet for the same.
Thanks in Advance!
5  2691  gits 5,390
Recognized Expert Moderator Expert
so the parameters of that tracking function are always different? is that script added to the page automatically without having control over it?
@gits
Yes, it will be different for different scenarios. Here, our main concern is to first traverse the page and check if the value of 'DCS.dcsqry' is '_ABC=ABC_0001' . If yes, then we will stor this value in a variable for analysis.
Secondly,this script is added through a code within <body> tag and yes, we do not have control over it.
I hope this answers all your queries.
Appreciate your help!
Thanks!
gits 5,390
Recognized Expert Moderator Expert
here is an example for what you might do: - <script type="text/javascript">
-
// dummy function for test - we need a declared one
-
function dcsMultiTrack() {
-
}
-
-
function getDcsMultiTrackParams() {
-
var scripts = document.getElementsByTagName('script');
-
-
for (var i = 0; n = scripts[i]; ++i) {
-
var jsCode = n.innerHTML;
-
-
if (/^dcsMultiTrack\(/.test(jsCode)) {
-
var paramsString = jsCode.match(/[^dcsMultiTrack\(]([^)]+)/)[0];
-
var paramsArray = paramsString.split(',');
-
-
alert(paramsArray);
-
}
-
}
-
}
-
-
</script>
-
<script type="text/javascript">dcsMultiTrack('DCS.dcsuri','/a/b/c/d/e','DCS.dcsqry','_ABC=ABC_0001','DCSext.error_code','abc500','DCSext.error_desc','FAILURE','DCSext.error_type','ABC Error','DCSext.RegType','ABC Registration','DCSext.RegStep','ABC Entry');</script>
-
-
<body onload="getDcsMultiTrackParams();">
-
</body>
-
it alerts the extracted params array that are passed to the dcsMultiTrack-method.
@gits
Many Thanks for the help!
As I mentioned earlier, we DO NOT have access to the HTML page in which this below script is embedded.So, this JS method and body onload function is not possible.
Possibly,can we try it by using some external JS to fetch these comma separated values within the HTML?
Note - We have a framework through which we can add an external JS to the same HTML at page load. - <script type="text/javascript">dcsMultiTrack('DCS.dcsuri','/a/b/c/d/e','DCS.dcsqry','_ABC=ABC_0001','DCSext.error_code','abc500','DCSext.error_desc','FAILURE','DCSext.error_type','ABC Error','DCSext.RegType','ABC Registration','DCSext.RegStep','ABC Entry');</script>
gits 5,390
Recognized Expert Moderator Expert
if the page is on another domain then it is not possible due to the same origin policy ... if not you might retrieve it the same way as i showed you from another frame by refering everything to the corresponding frame ...
if there are no frames then you could add an external script and you would need to extend the onload-handler in it to call the retrieve-script in that external script ...
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