How JS converts scientific notation into data values

　　(1) The type of scientific notation is numeric

　　1. Add directly to the null character

let eformat = 1.34e5 
let number = '' + eformat or eform + '' 
console.log ( 'Result is:' , number) The 
result is: 134000

　　2. Call the toString () method

　　(2) The type of scientific notation is the string type

　　1、

　　2、