Short-Circuit Evaluation Using &&

Instead of having to check if something is true with an if statement, you can use the && operator:

var isReady = true;

function doSomething(){
  console.log("Yay!");
}

// LONGER FORM
if(isReady){
  doSomething();
}

// SHORTHAND
isReady && doSomething();

Source

https://medium.com/geekculture/20-javascript-snippets-to-code-like-a-pro-86f5fda5598e