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                            - console.log()
可以直接字符串，可以%d 代表數字替換，加%s字符串替換比如 ：
~~~
console.log("wewfer%dsefs",2342)//wewfer2342sefs
console.log("xxx性別是%"，'男')//xxx性別是男
~~~
- console.time可以用來監測代碼段執行的開始結束時間
~~~
console.time(123)
console.timeEnd(123)
~~~
- console.info('打出信息')// 與log差別不大

- console.trace()
對于函數測試有幫助，可以看到堆棧調用過程
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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