PyLint
PyFlakes
pre-commit by Yelp
mypy
PEP8
CppDepend
ruff
A wrapper around Python tools to check the style and quality of Python code.
CodeFactor.io
JSLint
Codacy
ESLint
Coala
textlint
Prettier
Online Javascript Validator validates javascript code and find errors and warnings that can be fixed. See real time validation of your javascript code as you type.

Which is more popular?
Based on our record, flake8 should be more popular than Javascript Validator. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
f
flake8
|
JV
Javascript Validator
|
|
|---|---|---|
| Website | gitlab.com | beautifytools.com |
| Listed in |
What each product offers, as listed by its team.
Possible disadvantages
No features have been listed yet.
Walkthroughs and reviews on video.
Linters and fixers: never worry about code formatting again (Vim + Ale + Flake8 & Black for Python)
More videos
No Javascript Validator videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.
Share your experience with using flake8 and Javascript Validator. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.
Repos: - repo: https://github.com/pre-commit/pre-commit-hooks rev: v4.3.0 hooks: - id: trailing-whitespace - id: check-merge-conflict - id: check-yaml args: [--unsafe] - id: check-json -... - Source: dev.to / over 3 years ago
I just ran `pre-commit autoupdate`. It's asking for a username for https://gitlab.com/pycqa/flake8. :-(. Source: almost 4 years ago
Flake8 plugin for a smart line length validation. Source: about 4 years ago
Try pasting your code into a validator to see if you don't have a typo somewhere: https://beautifytools.com/javascript-validator.php. Source: over 4 years ago
So everything works fine the way I see it and that error only comes up after a few clicks. Since I'm not a js wizard I did put your script code into a javascript validator and it looks like you're missing a couple of semi colons here and... Source: almost 5 years ago
When comparing flake8 and Javascript Validator, you can also consider the following products.
Pylint is a Python source code analyzer which looks for programming errors.
Compare PyLint to flake8 or Javascript Validator:

Automated Code Review for GitHub & BitBucket
Compare CodeFactor.io to flake8 or Javascript Validator:

A simple program which checks Python source files for errors.
Compare PyFlakes to flake8 or Javascript Validator:

JSLint is a JavaScript program that looks for problems in JavaScript programs.
Compare JSLint to flake8 or Javascript Validator:

A framework for managing and maintaining multi-language pre-commit hooks
Compare pre-commit by Yelp to flake8 or Javascript Validator:

Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.
Compare Codacy to flake8 or Javascript Validator: