JS settimeout() and interview questions

setTimeout(function, milliseconds, param1, param2, ...)

function: It's necessary . To call a code string , It can also be a function .

milliseconds: Optional . Execute or call function Time to wait , In milliseconds . The default is 0.

param1, param2, ... : Optional . Other parameters passed to the executing function （ Pass him the first parameter ）.

　new Promise(resolve=>{
            console.log(1)
            setTimeout(resolve,100,4)
            console.log(3)
        }).then((data)=>{
            console.log(data)
        })

Output is 1,3,4

Inside setTimeout amount to （resolve（4）,100）

So it will output 4