apostrophe in var

dvannoy · Nov 20, 2017

I'm getting a value from a label on a webform and passing it to another form using the code below.

var value = '<%= l10.Text %>';

the problem is when there is an apostrophe within the text. since i never will know what text the label will have, how can I ignore the apostrophe within the entire label.

Any help would be appreciated

feherke · Nov 21, 2017

Hi

This is not JavaScript question. Even if happens that currently you want to output the value inside JavaScript code, you better make a habit of escaping/encoding all values, always. Regardless where they gets inserted.

And just because right now you have problem with a single quote, later you may have a value which ends in backslash ( \ ). So better not concentrate only on that single quote.

As your code looks like ASP to me, I would try [tt]Json.Encode()[/tt] :

Code:

var value = <%= Json.Encode(l10.Text) %>;

Note the lack of surrounding single quotes - [tt]Json.Encode()[/tt] should add those string delimiters too.

Feherke.
feherke.github.io

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apostrophe in var

dvannoy

MIS

feherke

Programmer

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