how to get key in foreach in javascript code example

Example 1: javascript foreach get key and value

myObject ={a:1,b:2,c:3}

//es6
Object.entries(myObject).forEach(([key, value]) => {
  console.log(key , value); // key ,value
});

//es7
Object.keys(myObject).forEach(key => {
    console.log(key , myObject[key]) // key , value
})

Example 2: js foreach key value

Object.keys(obj).forEach(function (key) {
   // do something with obj[key]
});