Based on our record, JSLint seems to be more popular. It has been mentiond 4 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
UPDATE 8/22/2011: found http://jshint.com, it looks much better than http://jslint.com/. Source: about 2 years ago
Use https://jslint.com to find the unescaped quote or whatever that's invalidating the file. Remember to put quote marks in dialogue as \". Source: over 2 years ago
Ooh! I'm pretty sure I actually know this one! I watched a bunch of Douglas Crockford talk's at Yahoo! Talking about the weirdness of the language he helped develop (such as this one). He also has built JSLint to help pull out code that runs but can have unexpected results. Booleans in JS evaluate if something is truthy or falsy and undefined is falsy (19:20), however a string of "undefined" would be truthy, and... Source: over 2 years ago
For future, just pop your code into an HTML Validator, a JS Linter, or a CSS Linter and it will check for basic stuff like this. There are also plugins in most IDEs for these kind of things which are incredibly useful. Source: about 3 years ago
ESLint - The fully pluggable JavaScript code quality tool
CodeClimate - Code Climate provides automated code review for your apps, letting you fix quality and security issues before they hit production. We check every commit, branch and pull request for changes in quality and potential vulnerabilities.
JSHint - New JSHint website. Anton Kovalyov Oct 1st, 2013. For the last couple of weeks I've been working on a new homepage for JSHint and today I'm proud to announce the new jshint. com! JSHint Website.
Emmet - It’s a plugin based on the Emmet standard. If you never heard of it and you code in HTML, this will blow your mind. You can create complete layouts with just one line of code, press TAB and presto. Have a look a the official website.
Codacy - Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.
FileDiffs - Show diffs between the current file, or selection(s) in the current file, and clipboard, another file, or unsaved changes. - colinta/SublimeFileDiffs