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README.md |
README.md
Swapy
Like we did with Objects
, we can modify our arrays.
replacing an Array
value
Let's look at an example of code:
let weekDays = [
'Monday',
'Tuesday',
'Wednesday',
'Thursday',
'Friday',
'Saturday',
'Sunday',
]
// Let's say I don't want Monday but a Second Sunday
weekDays[0] = 'Second Sunday'
In this example, we select the element at index 0
(with weekDays[0]
) and
then assign it using the =
(assign operator) the value 'Second Sunday'
Now my array look like this:
;[
'Second Sunday',
'Tuesday',
'Wednesday',
'Thursday',
'Friday',
'Saturday',
'Sunday',
]
Instructions
- You must replace the third element of the provided
replaceMe
array by the string'great'
Example:
let replaceMe = ['pif', 'paf', 'pom']
// expect -> ['pif','paf','great']
- You must swap the first and second element of the provided
swapMe
array.
Example:
let swapMe = ['pif', 'paf', 'pom']
// expect -> ['paf','pif','pom'] (last element is untouched)
You must modify the
swapMe
array, not create a new one !