5 Things You Should Know About ES8
ECMAScript 2017 8th editon (ES2017/ES8) has been officially released and published a few weeks ago, let’s figure it out some important changes. All of these are available with Node 8 and with the latest version of browsers without babel or any polyfills.
Object.values
Like Object.keys, but for values.
Such as Object.keys do, the Object.values method returns an array of a given object’s own enumerable property values instead of keys.
Object.entries
If we merged Object.keys and Object.values, that would be Object.entries. It return an array of [key, value].
The Object.entries() method returns an array of a given object's own enumerable property [key, value]
padStart
Pad a string from the start until the given length is reached.
The padStart() method pads the current string with another string (repeated, if needed) so that the resulting string reaches the given length. The padding is applied from the start (left) of the current string.
padEnd
Pad a string from the end until the given length is reached.
The padEnd() method pads the current string with a given string (repeated, if needed) so that the resulting string reaches a given length. The padding is applied from the end (right) of the current string.
padThai
Trailing commas in function parameter lists
Enjoy ES2017!
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