Short circuiting in JS

short-circuiting .js

let a; // falsy value
let b = predefinedFunctionWhichReturnsFalse(); // false
let c = computationallyHeavyFunctionWhichReturnsFalse(); // falsy value
let d = false;
let e = true;

// Needs to evalaute every condition.

let result = a | b | c | d | e;

// Needs to evaluate only 'e'.

let result = e | a | b | c | d;