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when pasting javascript into page & in string mangles code
abersoch windsurfer




msg:4263995
 11:40 pm on Feb 7, 2011 (gmt 0)

I have some javascript that people paste into web pages. It makes use of a function that accepts a url string as an argument e.g.

function foo(url){
document.location=url;
}

foo('/test.html?boo=1&copy=2');


However for 'some' people pasting the code into their web page the & in the string is being treated as an entity resulting in the pasted in function call becoming:

foo('/test.html?boo=1@=2');

I thought that it was safe to use & inside javascript blocks? Maybe its their editors or something?

In any case it happens sometimes and I need to fix it. Is it safe to use & in the function call code paste instead of & i.e

foo('/test.html?boo=1&copy=2');

That effectively means this is being done

document.location='/test.html?boo=1&copy=2';

and didn't think you should do that in the javascript code

I am getting more confused the more a think about it!

 

lichul




msg:4264073
 8:33 am on Feb 8, 2011 (gmt 0)

i'm not really understand about what you mean, but do you have try encodeURI() function?

abersoch windsurfer




msg:4264145
 2:07 pm on Feb 8, 2011 (gmt 0)

Its alright I think Ive found the problem. I give the javascript code to embed on a web page and it is on that page that I do not encode the url string so some people see and hence grab mangled widget code.

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