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Asked: 2026-06-15T08:26:15+00:00

Can JavaScript string store 100K characters? I’ve written a script where a string from

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Can JavaScript string store 100K characters?
I’ve written a script where a string from PHP is passed to a variable in JavaScript. It works fine when it is cut short to almost ten thousand characters but breaks the script when attempting to pass the entire string whose length is a bit greater than 100K. No errors could be found though. Is there any solution for this as to any way of increasing character limit of JavaScript variable? I’m just a beginner. Would appreciate is some one could find a solution for this.

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1 Answer

  1. Editorial Team

    There is no theorical limit to JS or PHP on the size of their strings.

    I think there are a few possible situations.

    Firstly, check that you are not sending your string via HTTP GET. There is a maximum size for GET and i think its dependent on your web server.

    Secondly, if you do use POST, check in php.ini for post_max_size and see if it is smaller than the string size you are sending to it as well as your .htacccess file to see if php_value post_max_size is not too small.

    Thirdly, check that in php.ini that your memory_limit does not restrict the size of memory that your script can use.

    hope this helps.

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