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Articles tagged with #javascript
To check if an object "myObj" exists ( it's neither null nor undefined) and it's not empty we can use this expression : myObj && Object.keys(myObj).length !== 0 && myObj.constructor === Object Explanation myObj if it evaluates to true, "myObj...
In Javascript an Error object is generated : when at runtime the engine notices something is going wrong and can't continue executing your code ( different error types are natively known to the Javascript engine, as SyntaxError or TypeError) when , ...
How to check if the array "games" doesn't exist or it's empty if (!(Array.isArray(games)) || !(games.length)) return Array.isArray(games) determines whether "games" is an Array ( if it is Null or Undefined returns False) https://developer.mo...
