console.timeEnd: default, {NUMBER} console.timeEnd: abcd, {NUMBER} console.timeLog: Timer 'a' does not exist console.timeEnd: Timer 'a' does not exist console.timeEnd: a, {NUMBER} console.timeEnd: a, {NUMBER} console.time: Timer 'b' already exists console.timeEnd: b, {NUMBER} console.timeLog: ab, {NUMBER} console.timeEnd: ab, {NUMBER} console.timeStamp: stamp it baby!, {NUMBER} log more console.warn: warn 2 console.debug: debug console.info: info console.info: *%(basename)s:34: Error: exception console.info({ toString: () => {throw new Error("exception");} }) ^ Error: exception at Object.toString (*%(basename)s:34:39) at console.info () at *%(basename)s:34:9