Logical Short Circuiting

    // short-circuit.js
    // How to use short circuiting in JS
    // FALSEY – 0, false, null, undefined, "", '', NaN
    
    let log = console.log;
    let obj = {prop: 42, bool: true}; 
    let num - 42;
    let f = ( ) => { return num }; 
    let g = ( ) => { log(42) };
    
    (1 && 1 && 1 && 1 && 0);	// use 0s or FALSEY values for short-circuiting
    {1 && 1};