Wes and Scott rattle through ~20 different Object and Arra Methods that will make you a better JavaScript developer.

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Show Notes For the docs for all these, just google mdn and the method you are looking for 😃

3:00

• Why are these great?
• They are chainable
• Immutable

5:30

• .filter()
• Truthy or Falsy

8:00

• .map()

10:00

• .reduce() - returns any shape! filter, create a new shape, add up numbers...

14:30

• .forEach()
• Side effects

16:00

• .some()
• can be used as a short circuit forEach

25:00

• .every()
• .includes() (why not contains?)

26:00

• Array.from()
• Array.from() takes a secondary map arg
• Array.of()

29:00

• Object.values()
• Object.keys()
• Object.entries()

32:00

• Array spread - converts iterable to array
• Array spread - Concats arrays
• Array Spread + Slice. Don't splice - remove an item from an array.

34:00

• Object Spread

37:00

• Function Rest

39:00

• Object.freeze()

40:00

• Object.seal()

41:00

• Object.assign() - no longer needed because you can object spread
• Reference vs Copy in JavaScript

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