Scripting a .write script containing HTML tags using only double quotes

Question

I have a tricky situation where one set of rules conflicts with another over specifications of banners.

One spec details that single quotes are not allowed, and the other has a script which is essential to the banner. Without the script, there is no point serving the banner in the first place.

So the question is, is there a way to write this script using only double quotes?

<script>
    document.write('<script src="' + (window.API_URL || 'http://example.com/' + Math.random()) + '"><\/script>');
</script>

`"` -> `\'`...? Now you've edited, inverse all your quotes, then do `'` -> `\"`? — James Thorpe, Nov 19 '15 at 15:02
Try to avoid using `document.write` http://stackoverflow.com/questions/802854/why-is-document-write-considered-a-bad-practice — Halcyon, Nov 19 '15 at 15:03
Also, document write does overwrite the whole document. you need to append it to the head. — nicael, Nov 19 '15 at 15:03
@nicael - no it does not overwrite if the script is inline as it is in this case — mplungjan, Nov 19 '15 at 15:06
@nicael You are correct when it is executed after load like `function writeIt() { document.write..... } .... window.onload=writeIt;` That would wipe the page — mplungjan, Nov 19 '15 at 15:08

score 1 · Accepted Answer · answered Nov 19 '15 at 15:03

1

Can't you just escape the double quotes that you don't want to terminate the string? \" evaluates to the literal character ".

document.write("<script src=\"" + (window.API_URL || "http://example.com/" + Math.random()) + "\"><\/script>');

answered Nov 19 '15 at 15:03

Michael

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Because the answer seems to be quite obvious, right? There's no question even. – nicael Nov 19 '15 at 15:10
2

That's barely even a valid reason to vote down a question, let alone a correct answer. – Michael Nov 19 '15 at 15:16
It's barely a reason not to downvote. Also, has been asked bunch of times. – nicael Nov 19 '15 at 15:20

Scripting a .write script containing HTML tags using only double quotes

1 Answers1