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New: Add answer for challenge 9 #10

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34 changes: 34 additions & 0 deletions closures.js
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Original file line number Diff line number Diff line change
Expand Up @@ -128,3 +128,37 @@ function rollCall(names) {
// rollCaller() // -> Should log 'Ruth'
// rollCaller() // -> Should log 'Everyone accounted for'

function saveOutput(func, magicWord) {

let result = 0;
let output = {}

function wordChecker(input){

output = {...output, [input]: result}

if (input === magicWord){

return output

}

else {

result = func(input)

return result;
}

}

return wordChecker
}

// /*** Uncomment these to check your work! ***/
// const multiplyBy2 = function(num) { return num * 2; };
// const multBy2AndLog = saveOutput(multiplyBy2, 'boo');
// console.log(multBy2AndLog(2)); // => should log 4
// console.log(multBy2AndLog(9)); // => should log 18
// console.log(multBy2AndLog('boo')); // => should log { 2: 4, 9: 18 }