// console.time() and console.timeEnd() method
// console.time() method
console.time("Let's see time console")
let time1 = function(){
console.log('time1 function is running')
}
let time2 = function(){
console.log('time2 function is running')
}
time1()
time2()
// console.timeEnd() method
console.timeEnd('Time Taken')
) j2 t' y6 R3 I9 T, q, W5 j6. console.table() # @% s: q' A' X/ o2 @, g这个方法允许我们在控制台中生成表格。输入数据必须是数组或显示为表格的对象。 e4 y% G# M6 ?: I( r, `( S
// console.group() and console.groupEnd() method
// console.group() method
console.group('This is a sample group')
console.log('This is a sample group log')
console.warn('This is a sample group warning')
console.error('This is a sample group error')
// console.groupEnd() method
console.groupEnd('This is a sample group')
console.log('This is a new section')