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Task is completed #16

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5eb6c5d
complete arrays-basics
bit-sercererx Feb 15, 2024
468b933
arrays-intermediate ----complete
bit-sercererx Feb 15, 2024
8629c72
reviewers is complete
bit-sercererx Feb 17, 2024
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42 changes: 30 additions & 12 deletions arrays-basics.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,46 +2,64 @@
Task 8 (logArray):
Create a function logArray that receives an array as a parameter and logs each item in the array.
**************************************************************/
function logArray(arr) {}
// function logArray(arr) {
// arr.forEach((value, index) => {
// console.log(value);
// });
// }

// logArray([1, 2, 3, 4, 5]);

/**************************************************************
Task 9 (logArrayWithIndex):
Create a function logArrayWithIndex that receives an array as a parameter and logs each item in the array along with its index.
**************************************************************/
function logArrayWithIndex(arr) {}
// function logArrayWithIndex(arr) {
// arr.forEach((value, index) => {
// console.log(value, index);
// });
// }

// logArrayWithIndex(["apple", "banana", "orange"]);

/**************************************************************
Task 10 (logEvenNumbers):
Create a function logEvenNumbers that receives an array of numbers as a parameter and logs only the even numbers in the array.
**************************************************************/
function logEvenNumbers(arr) {}

// logEvenNumbers([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
// function logEvenNumbers(arr) {
// return arr.filter((items, index) => {
// return items % 2 === 0;
// });
// }
// console.log(logEvenNumbers([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]));

/**************************************************************
Task 11 (logArrayBackwards):
Create a function logArrayBackwards that receives an array as a parameter and logs each item in the array in reverse order.
**************************************************************/
function logArrayBackwards(arr) {}

// logArrayBackwards(["one", "two", "three", "four"]);
// function logArrayBackwards(arr) {
// return arr.reverse();
// }
// console.log(logArrayBackwards(["one", "two", "three", "four"]));

/**************************************************************
Task 12 (logLastItem):
Create a function logLastItem that receives an array as a parameter and logs the last item in the array.
**************************************************************/
function logLastItem(arr) {}

// logLastItem(["a", "b", "c", "d"]);
// function logLastItem(arr) {
// return arr[arr.length - 1];
// }
// console.log(logLastItem(["a", "b", "c", "d"]));

/**************************************************************
Task 13 (logArrayInChunks):
Create a function logArrayInChunks that receives an array and a chunk size as parameters and logs the items in the array in chunks of the specified size.
**************************************************************/
function logArrayInChunks(arr, chunkSize) {}
// function logArrayInChunks(arr, chunkSize) {
// for (let i = 0; i < arr.length; i = i + chunkSize) {
// const checks = arr.slice(i, i + chunkSize);
// console.log(checks);
// }
// }

// logArrayInChunks([1, 2, 3, 4, 5, 6, 7, 8, 9], 3);
68 changes: 49 additions & 19 deletions arrays-intermediate.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,11 +3,11 @@
Create a function sumArray that receives an array of numbers as a parameter and returns the sum of all the numbers in the array.
Hint: Use the .reduce() method
**************************************************************/
function sumArray(numbers) {
//TODO: Add your code here
}
// function sumArray(numbers) {
// //TODO: Add your code here
// return numbers.reduce((items, value)=> items+value )
// }
// console.log(sumArray([4, 3, 2, 5, -10]));

/**************************************************************
Task 2:
Create a function findFirstStringStartingWithA that receives an array of strings as a parameter
Expand All @@ -17,6 +17,7 @@ function sumArray(numbers) {
**************************************************************/
function findFirstStringStartingWithLetter(letter, strings) {
//TODO: Add your code here
return strings.find((str) => str.toLowerCase().startswith(letter));
}
// console.log(
// findFirstStringStartingWithLetter("h", ["Memory", "Hello", "Happy"])
Expand All @@ -29,9 +30,12 @@ function findFirstStringStartingWithLetter(letter, strings) {

Hint: Use the .map() and .includes() methods
**************************************************************/
function isPresentIncluded(presentName, presents) {
//TODO: Add your code here
}
// function isPresentIncluded(presentName, presents) {
// return presents.map((items, index) =>
// items.toLowerCase().includes(presentName)
// );
// //TODO: Add your code here
// }
// console.log(
// isPresentIncluded("puzzle", [
// "Sparkling Surprise",
Expand All @@ -46,12 +50,14 @@ function isPresentIncluded(presentName, presents) {
Task 4:
Create a function sortStudentsAlphabetically that receives an array of students name as a parameter
and uses the sort method to sort the strings in alphabetical order.


Hint: Use the .sort() method
**************************************************************/
function sortStudentsAlphabetically(students) {
//TODO: Add your code here
}
// function sortStudentsAlphabetically(students) {
// return students.sort();
// //TODO: Add your code here
// }
// console.log(
// sortStudentsAlphabetically([
// "Eve",
Expand All @@ -77,9 +83,21 @@ function sortStudentsAlphabetically(students) {

Hint: Use the .forEach() and .push() methods
**************************************************************/
function separateOddEven(numbers) {
//TODO: Add your code here
}
// function separateOddEven(numbers) {
// const odds = [];
// const even = [];
// numbers.forEach((items) => {
// if (items % 2 === 0) {
// odds.push(items);
// } else {
// even.push(items);
// }

// });
// return{even,odds}
// }
// //TODO: Add your code here

// console.log(separateOddEven([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]));

/**************************************************************
Expand All @@ -99,9 +117,13 @@ function separateOddEven(numbers) {

Hint: Use the .filter and .startsWith method
**************************************************************/
function removeItem(code, items) {
//TODO: Add your code here
}
// function removeItem(code, items) {
// return items.filter((value,index)=>
// value.code != code
// )
// }
// //TODO: Add your code here

// console.log(
// removeItem("#153", [
// { code: "#153", name: "Ball" },
Expand Down Expand Up @@ -156,9 +178,17 @@ Task 7:

Hint: Use the .map method and separator operator
**************************************************************/
function updateGrades(curve, students) {
//TODO: Add your code here
}
// function updateGrades(curve, students) {
// students.map((items, index) => {
// if (items.type === "regular") {
// return items.grade += curve
// } else {
// return items.grade -= curve
// }
// });
// return students;
// }
// //TODO: Add your code here
// console.log(
// updateGrades(10, [
// { firstName: "Jaber", lastName: "jabarbar", grade: 10, type: "regular" },
Expand Down
6 changes: 4 additions & 2 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,8 @@
<title>Arrays</title>
</head>
<body>
<script src="./arrays.js" type="module" />
</body>
<!-- <script src="./arrays-basics.js"></script></body> -->
<!-- <script src="./arrays-intermediate.js"></script> -->
<script src="reviewers.js"></script>

</html>
29 changes: 26 additions & 3 deletions reviewers.js
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Original file line number Diff line number Diff line change
@@ -1,19 +1,22 @@
const reviewers = require("./reviewers.json");
import reviewers from "./reviewers.json" assert { type: "json" };
console.log("🚀 ~ file: reviewers.js:2 ~ reviewers:", reviewers);

/***********************************************************************
- This function receives a reviewer object and should return the name of the reviewer.
***********************************************************************/
function getReviewerName(reviewer) {
//TODO: ADD YOUR CODE HERE
}
// function getReviewerName(reviewer) {
//TODO: ADD YOUR CODE HERE
// console.log(reviewer.reviewerName);
// }
// console.log(getReviewerName(reviewers[0]));

/***********************************************************************
- Receives a reviewer object and returns the number of reviews that reviewer has done.
************************************************************************/
function numberOfReviews(reviewer) {
//TODO: ADD YOUR CODE HERE
return reviewer.books.length;
}
// console.log(numberOfReviews(reviewers[0]));

Expand All @@ -25,6 +28,9 @@ function numberOfReviews(reviewer) {
***********************************************************************/
function reviewerHasReview(reviewTitle, reviewer) {
//TODO: ADD YOUR CODE HERE
reviewer.books.some((items) => {
return items.title === reviewTitle;
});
}
// console.log(reviewerHasReview("Becoming", reviewers[0]));

Expand All @@ -35,6 +41,7 @@ function reviewerHasReview(reviewTitle, reviewer) {
****************************************************************/
function getReviewerByName(reviewerName, reviewers) {
//TODO: ADD YOUR CODE HERE
reviewers.find((items) => items.reviewerName === reviewerName);
}
// console.log(getReviewerByName("Michelle Obama", reviewers));

Expand All @@ -45,6 +52,11 @@ function getReviewerByName(reviewerName, reviewers) {
****************************************************************/
function getReviewerByReviewTitle(reviewTitle, reviewers) {
//TODO: ADD YOUR CODE HERE
return reviewers.find((items) => {
items.some((value) => {
return value.books === reviewTitle;
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@AlhassanAli01 AlhassanAli01 Feb 18, 2024

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the condition for getting the reviewer by the title is incorrect, you should do this instead:

return reviewers.find((items) => {
  items.some((value) => {
     return value.title === reviewTitle;
   } 
}

Which is basically using the reviewerHasReview function, so you can use that instead:

  return reviewers.find((reviewer) => reviewerHasReview(reviewTitle, reviewer));

});
});
}
// console.log(getReviewerByReviewTitle("The Overstory", reviewers));

Expand All @@ -56,4 +68,15 @@ function getReviewerByReviewTitle(reviewTitle, reviewers) {
function searchReviewers(query, reviewers) {
Copy link

@AlhassanAli01 AlhassanAli01 Feb 18, 2024 •
edited
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You can not use return three times in the same function, the return should be only used once, unless it's inside an if statement or a swtich case.

This function could be easily done using the filter method:

 return reviewers.filter(
    (reviewer) =>
      reviewer.reviewerName.includes(query) ||
      reviewer.description.includes(query)
  );

//TODO: ADD YOUR CODE HERE
}
return reviewers.map((items) => {
items.reviewerName = items.reviewerName.toWloerCase();
});
return reviewers.map((items) => {
items.description = items.description.toWloerCase();
});
return reviewers.fiter((items) => {
if (items.reviewerName.includes(query) && items.description.includes(query)) {
return items;
}
});
// console.log(searchReviewers("o", reviewers));