General

Deprecated symbol used  

Javascript

Destructuring properties with the same key  

Javascript

Duplicate declaration  

Javascript

ECMAScript specification is not followed  

Javascript

Implicitly declared global JavaScript variable  

Javascript

Import can be shortened  

Javascript

Inaccessible @private and @protected members referenced  

Javascript

Incorrect usage of JSDoc tags  

Javascript

JQuery selector can be optimized  

Javascript

JSX syntax used  

Javascript

Method can be made 'static'  

Javascript

Mismatched JSDoc and function signature  

Javascript

Mismatched query and update of collection  

Javascript

Missed locally stored library for HTTP link  

Html

Non-strict mode used  

Javascript

Primitive type object wrapper used  

Javascript

Property can be replaced with shorthand  

Javascript

Redundant nesting in template literal  

Javascript

Referencing mutable variable from closure  

Javascript

Signature mismatch  

Javascript

Syntax errors and unresolved references in JSDoc  

Javascript

Type mismatch  

Javascript

Unfiltered for..in loop  

Javascript

Unnecessary semicolon  

Javascript

Unneeded last comma in array literal  

Javascript

Unneeded last comma in object literal  

Javascript

Unresolved Ext JS xtype  

Javascript

Unresolved JSX component  

Javascript

Unresolved reference  

Javascript

Unresolved file reference  

Javascript

Unresolved reference  

Javascript

Use of possibly unassigned property in a static initializer  

Ecmascript 6

Variable declaration can be merged with the first assignment to the variable  

Javascript

Webpack config compliance with JSON Schema  

Javascript