// console.warn() method
console.warn('This is a sample Warning')
; Y2 x' }' I$ k6 o1 Y4. console.clear()( ]" n+ h: p, T
用于清除控制台信息。清除控制台时,如果是基于Chromium的浏览器,将打印一个简单的叠加文本,如下面的截图所示“Console was cleared”,而在Firefox中,则不会返回任何消息。/ g# b' s: h$ M+ K E2 C
// 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')
3 O, T1 N6 i! D3 {" V* R. B6. console.table()/ l2 H7 y8 P8 D. J; X. e! J% n2 t2 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。- ~" }& B s; f. ]2 y+ g
// console.count() method
console.log('This is a sample count')
for(let i=0; i<10; i++){
console.count('This is iteration number', i)
}
+ J5 X. ?% Q7 e/ u 8. console.group()和console.groupEnd() + N! y. I+ W2 c8 a' K. {控制台对象的group()和groupEnd()方法允许我们将内容分组到单独的代码块中,并且这些代码块将缩进。和time()和timeEnd()一样,它们也接受值相同的标签。9 s: s# D' u! M
// 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')