Sort an Array of Booleans in JavaScript

var1 = [false, true, true,false];


var1.sort(function(x, y) {

// true values first
return (x === y)? 0 : x? -1 : 1;

// false values first
// return (x === y)? 0 : x? 1 : -1;
});

console.log(var1);