The difference between JS console.log and console.dir

In our daily development, console.log()debugging is often used but rarely used console.dir(). So what is the difference between the two?

1. Comparison

• 1. String// Number/ As you can see Object,Array
     
     
     there is no difference
• 2. Function
     
     
     Print Function, you can see console.dirthat the corresponding attributes/methods are printed out

3. DOMNode
   
   
   printing domnode, you can see: console.logprinting node, console.dirprinting domproperties and methods

2. Expand

There is also a less commonly used console.countfunction, which is to print the number of times a certain method has been called, for example: