python -> javascript

print(str) -> console.log(str);
""" comments """ -> /* comments */
# comment -> // comment
type(val) -> typeof(val);

for i in list: print(i)
-> for (var i of list){ console.log(i); }

for key in dict: print(dict[key])
-> for (var key in dict) { console.log(dict[key]); }

set -> set

mySet = set() -> var mySet = new Set();
set.add(ele) -> set.add(ele) ;
set in ele -> set.has(ele) ;
set.remove(ele) -> set.delete(ele);
len(set) -> set.size ;
list(set) -> Array.from(set)

list -> array

myList = [] -> var myArray = [];
list.push(ele) -> array.push(ele);
list.pop() -> array.pop();
ele in list -> list.includes(ele);

#sorting list

#sort with string
list.sort() -> array.sort()
#sort with number
list.sort() -> array.sort((a,b) => a - b)
            -> array.sort(
                 function(a,b) {
                  return a - b ;
                 }
               );

dict -> object

myDict = {} -> myObject = {};
dict[key] = val -> object[key] = val;
dict[key] -> object[key];
          -> object.key;
dict.items() -> Object.entries(object)
dict.keys() -> Object.keys(object);
dict.values() -> Object.values(object);
key in dict -> key in dict;