How to user jQuery from a greasemonkey script?

Hi there

I'm trying to create a greasemonkey script to tweak the Jira UI. I want to use jQuery but when I do I get:{code}

Uncaught ReferenceError: $ is not defined

{/code}

So I change it to reference AJS and get:

{code}

Uncaught ReferenceError: AJS is not defined

{/code}

The script is pretty simple so far:

{code}

document.body.onload = function(){

AJS.$('.link-content').removeClass('collapsed-link');

AJS.$('#show-more-links').addClass('collapsed-link');

};

{/code}

Any ideas?

Thanks

2 answers

Richard,

Per this other answers post, it sounds like the AtlassianUI pieces aren't loading correctly. Are you able to get this working via a local (development) copy of JIRA as would be generated by the Plugin SDK? If you can get it working correctly against a download copy of JIRA, then perhaps you can get it working against OnDemand with a bit of tweaking?

Does that help?

Sorry Tyler, don't have the time to download, install, configure & debug a local version. Given that we're just using the default OnDemand instance I guess it shouldn't be hard for you to repro?

Hey Richard,

So content scripts run in an isolated environment:

https://developer.chrome.com/extensions/content_scripts.html#execution-environment

Which essentially means you can't access the jquery/existing javascript without a little work.

So to access the existing jquery in the page you have several methods. Chrome doesn't support @require so you can't use that to reference the jquery.js if using chrome. Best way is prob to inject :

function scriptLoader(callback) {

var script = document.createElement("script");

script.textContent = "(" + callback.toString() + ")();";

document.body.appendChild(script);

}

function mainCode() {

}

scriptLoader(mainCode);

I probably should have said - this isn't a JIRA specific issue its just the way userscripts interact with the browser.

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