The code contains too many var statements declaring several variables in it

Why you should care

Although JavaScript allows to declare multiple variables in a single chain, it is recommended to declare each variable separately as it is easier to read and reduce the risk of unexpected behaviors in some cases.

How we detect

CAST Highlight counts one occurrence when multiple variable declarations are detected.

Bad Code

var header,

Good Code

var firstVar;
var secondVar;
var thirdVar;



About CAST and Highlight’s Code Insights

Over the last 25 years, CAST has leveraged unique knowledge on software quality measurement by analyzing thousands of applications and billions of lines of code. Based on this experience and community standards on programming best practices, Highlight implements hundreds of code insights across 15+ technologies to calculate health factors of a software.