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When I include the JQM JS file my breakpoints stop working. See details here:
Do you have an example file we can use to see the problem? Are the breakpoints in a script tag within the HTML file? Or is it within one of your own external JS files? Please try to be as detailed as possible. Also, do things work properly if you use the non-minified version of the jQuery Mobile file?
@rhardgrave - we need more details to debug this or we'll have to close.
Sorry for the delay, I'll get something up to debug this sometime this week.
Here is a sample of what I'm seeing. In the main.js file you'll see a conversations and connect function that get called when you hit the home and connect buttons on the app. You'll see the console.log statements working in Firebug/Chrome. However, if you put a breakpoint on each log statement, they won't work. I tried Google Chrome 18 and FF 11. Thanks for any help you can provide.
@jbias, here are the answers: I've tried just the minified version of JQM. The breakpoints are in an external JS file as you'll see in the sample above (main.js).
Ok, I see what's going on. Your page contains nothing but script tags in the body. When jQuery Mobile initializes, it notices that the body contains no data-role="page" divs in it so it wraps the entire contents of the body within a page div. Now jQuery Mobile is using jQuery's wrapAll() method to do this, apparently part of that implementation looks for any script tags inside the content being wrapped, and it then loads each script source via XHR ... so the browser ends up loading the scripts twice, confusing the debugger.
Cc: @toddparker @scottjehl @johnbender @gseguin
Huh, interesting. So this seems like an edge case that could be addressed with a note in the docs perhaps? Is all that's needed is any HTML tag in the body?
I stuck the following into the body of my html page and it solved the problem:
An empty div without the data-role attribute didn't solve it, so I added the data-role attribute.
Thanks for the quick turnaround on this, you guys rock.
As @rhardgrave mentioned, the framework has to find at least one element with a data-role="page" in the body, or it will assume that you wanted the whole body to be "the page". Scott added this a while back as a convenience so we could suck in external pages that weren't "jQM" ready.
Yeah, I think we need to document this auto-wrapping page behavior if it isn't already, and add a nice big warning about what I described above in regards to our use of jQuery Core's wrapAll() which has the side effect of loading any script tags again.
@toddparker @jblas Would the following be ok for the docs?
Note: If your body contains no data-role="page" divs, jQuery Mobile wraps the entire contents of the body within a page div. jQuery Mobile is using jQuery's wrapAll() method to do this which looks for any script tags inside the content being wrapped, and loads each script source via XHR. If scripts are present in the body, the browser ends up loading them twice. We therefore strongly recommend that jQuery Mobile documents with scripts in their body also contain a div with data-role="page".
That looks great. Whee do you think it should go? Anatomy of a page? Scripting pages?
@toddparker I'm tempted to go with Anatomy of a page as scripting pages already has something along those lines... what do you think?
@agcolom Sounds good to me.
added info on scripts in body with no page div. Fixes #4206