1console.log("Karate, the 'Dane Cook' of martial arts?");
2> Karate, the 'Dane Cook' of martial arts?

1console.debug("Lana");
2console.warn("Lana!");
3console.error("LANA!!!");
4console.info("Danger zone.");

1const interjection = "Jeezy-petes!";
2console.log('Uses interjection %s', interjection);

1const characters = [
2    { name: 'Cyril', age: 45, aliases: ['Odie McCracken'] },
3    { name: 'Cheryl', age: 32, aliases: ['Carol', 'Cherlene'] },
4    { name: 'Lana', age: 33, aliases: ['Shirley Temper'] },
5    { name: 'Archer', age: 37, aliases: ['Duchess', 'Randy'] }
6];
7characters.forEach((character) => {
8    console.group('Logging character ' + character.name);
9    console.groupCollapsed('Aliases');
10    character.aliases.forEach(alias => console.log('alias %s', alias));
11    console.groupEnd();
12    console.log('age %i', character.age);
13    console.groupEnd();
14});

1const characters = [
2    { name: 'Krieger', age: 45, aliases: [] },
3    { name: 'Cheryl', age: 32, aliases: ['Carol', 'Cherlene'] },
4    { name: 'Lana', age: 33, aliases: ['Shirley Temper'] },
5    { name: 'Archer', age: 37, aliases: ['Duchess', 'Randy'] }
6]
7console.dir(characters[3]);
8console.table(characters);

1(function one() {
2    (function two() {
3      (function three() {
4        console.trace("I have a stack trace");
5      })();
6    })();
7})();

1function KriegerClone (number) {
2    this.number = number;
3    this.greetKrieger = function(timeOfDay) {
4      // should be less than; error intentional so assertion fails.
5      return 'Guten ' + (timeOfDay.getHours() > 17 ? 'Tag' : 'Abend')
6       + ' Klon-Bruder! Ich bin ' + this.number + '.';
7    }
8}
9const clone = new KriegerClone(42);
10const testDate = new Date(2015, 8, 24, 16, 0, 0);
11const expected = 'Guten Tag Klon-Bruder! Ich bin 42.';
12console.assert(expected === clone.greetKrieger(testDate), "Krieger clone should greet correctly");

1const clones = new Array(100);
2for (let i = 0; i < 100; i++) {
3    console.count("cloning Krieger.");
4    clones[i] = new KriegerClone(i);
5}

1function KriegerClone (number) { this.number = number; }
2
3var label = "Clone Krieger";
4console.time(label);
5var clones = new Array(1000000);
6for (var i = 0; i < 1000000; i++) {
7  if (i === 500000) { console.timeStamp("Halfway there!") }
8  clones[i] = new KriegerClone(i);
9}
10console.timeEnd(label);

1function KriegerClone (number) { this.number = number; }
2
3const label = "Clone Krieger";
4console.profile(label);
5const clones = new Array(1000000);
6for (let i = 0; i < 1000000; i++) {
7    clones[i] = new KriegerClone(i);
8}
9console.profileEnd(label);