Skip to main content

A Collection of Must-Know online testers for Web-Development

You are here

  • Home
  • Blog
  • A Collection of Must-Know online testers for Web-Development
05/20/2016 - 15:39

Here you can find all the best syntax testers and code-to-preview websites which you can use right from your browser online. (Leave a comments if you know any more such web-services we forgot to include, and we'll add them as well)

  • cssdeck.com (HTML/CSS/JavaScript)

         Preview

    All-in-one pack! Here you can check if your markup ideas are right, then try to style it while seeing the result and also perform some javascript with that preview page. Seeing the result in real-time is gold!

  • jsfiddle.net/ (HTML/CSS/JavaScript)

         Preview

    This service has the same purpose. It more oftenly used to show "how-to-do-that".

  • JShint.com (JavaScript)

         Syntaxis

    You've typed a big code. Then made some tweaks here and there, saved it, and everything crashed. And you don't actually know where exactly is an error. And here comes jshint! This little tool will show every syntax error in your code so you don't need to spend hours for searching anymore.

  • SASSmeister.com (Sass)

         Syntaxis

    The same tool but for Sass.

  • regEX101.com (PHP/JavaScript)

         Syntaxis & Preview

    You can check your regular expression, write it and test from scratch. You can test it for php, javascript and a python languages. Also there is a large user-made library of ready-to-use regular expressions.

  • rubular.com (Ruby)

         Syntaxis & Preview

    Special regex tester for Ruby language.

  • SQLfiddle.com (SQL)

         Syntaxis & Preview

    Here you can test your SQL querries without risk of ruining the whole database of your server.

Related skills: 
CSS3 HTML5 PHP Ruby SQL CSS SASS JavaScript

More information about text formats

Filtered HTML

  • Web page addresses and e-mail addresses turn into links automatically.
  • Allowed HTML tags: <a> <em> <strong> <cite> <blockquote> <code> <ul> <ol> <li> <dl> <dt> <dd>
  • Lines and paragraphs break automatically.

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.
CAPTCHA
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.
Image CAPTCHA
Enter the characters shown in the image.

Pages

Aliaksandr Yakauleu,
2010-2019

A Collection of Must-Know online testers for Web-Development | Mynet.su

Error

Error message

  • Warning: Cannot modify header information - headers already sent by (output started at /home/mynet/web/mynet.su/mynet.su/webroot/includes/common.inc:2755) in drupal_send_headers() (line 1232 of /home/mynet/web/mynet.su/mynet.su/webroot/includes/bootstrap.inc).
  • PDOException: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: INSERT INTO {watchdog} (uid, type, message, variables, severity, link, location, referer, hostname, timestamp) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4, :db_insert_placeholder_5, :db_insert_placeholder_6, :db_insert_placeholder_7, :db_insert_placeholder_8, :db_insert_placeholder_9); Array ( [:db_insert_placeholder_0] => 0 [:db_insert_placeholder_1] => cron [:db_insert_placeholder_2] => %type: !message in %function (line %line of %file). [:db_insert_placeholder_3] => a:6:{s:5:"%type";s:12:"PDOException";s:8:"!message";s:238:"SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: SELECT 1 AS expression FROM {variable} variable WHERE ( (name = :db_condition_placeholder_0) ); Array ( [:db_condition_placeholder_0] =&gt; drupal_http_request_fails ) ";s:9:"%function";s:14:"variable_set()";s:5:"%file";s:64:"/home/mynet/web/mynet.su/mynet.su/webroot/includes/bootstrap.inc";s:5:"%line";i:991;s:14:"severity_level";i:3;} [:db_insert_placeholder_4] => 3 [:db_insert_placeholder_5] => [:db_insert_placeholder_6] => http://mynet.su/blog/collection-must-know-online-testers-web-development?page=7 [:db_insert_placeholder_7] => [:db_insert_placeholder_8] => 104.236.211.176 [:db_insert_placeholder_9] => 1610828647 ) in dblog_watchdog() (line 163 of /home/mynet/web/mynet.su/mynet.su/webroot/modules/dblog/dblog.module).
The website encountered an unexpected error. Please try again later.