Exercise commits

week-2/1-exercises/F-logical-operators/exercise2.js

@@ -5,8 +5,34 @@
   Update the code so that you get the expected result.
 */
 
-function isNegative() {}
-
+function isNegative(num) {
+	if (num < 0) {
+		return true;
+	} else {
+		return false;
+	}
+}
+function isBetween5and10(num) {
+	if (num >= 5 && num <= 10) {
+		return true;
+	} else {
+		return false;
+	}
+}
+function isShortName(name) {
+	if (name.length < 10) {
+		return true;
+	} else {
+		return false;
+	}
+}
+function startsWithD(name) {
+	if (name[0] === "D") {
+		return "Yes";
+	} else {
+		return "No";
+	}
+}
 /* 
   DO NOT EDIT BELOW THIS LINE
   --------------------------- */

week-2/1-exercises/G-conditionals-2/exercise-1.js

@@ -7,7 +7,11 @@
 */
 
 function negativeOrPositive(number) {
-
+	if (number < 0) {
+		return "negative";
+	} else if (number >= 0) {
+		return "positive";
+	}
 }
 
 /* 

week-2/1-exercises/G-conditionals-2/exercise-2.js

@@ -8,7 +8,11 @@
 */
 
 function studentPassed(grade) {
-
+	if (grade < 50) {
+		return "failed";
+	} else {
+		return "passed";
+	}
 }
 
 /* 
@@ -18,9 +22,9 @@ var grade1 = 49;
 var grade2 = 50;
 var grade3 = 100;
 
-console.log("'" + grade1 + "': " + studentPassed(grade1))
-console.log("'" + grade2 + "': " + studentPassed(grade2))
-console.log("'" + grade3 + "': " + studentPassed(grade3))
+console.log("'" + grade1 + "': " + studentPassed(grade1));
+console.log("'" + grade2 + "': " + studentPassed(grade2));
+console.log("'" + grade3 + "': " + studentPassed(grade3));
 
 /* 
 EXPECTED RESULT

week-2/1-exercises/G-conditionals-2/exercise-3.js

@@ -9,7 +9,15 @@
 */
 
 function calculateGrade(mark) {
-
+	if (mark > 80) {
+		return "A";
+	} else if (mark < 80 && mark >= 60) {
+		return "B";
+	} else if (mark < 60 && mark >= 50) {
+		return "C";
+	} else {
+		return "F";
+	}
 }
 
 /* 
@@ -25,7 +33,7 @@ console.log("'" + grade2 + "': " + calculateGrade(grade2));
 console.log("'" + grade3 + "': " + calculateGrade(grade3));
 console.log("'" + grade4 + "': " + calculateGrade(grade4));
 
-  /* 
+/* 
   EXPECTED RESULT
   ---------------
   '49': F

week-2/1-exercises/G-conditionals-2/exercise-4.js

@@ -9,7 +9,11 @@
 */
 
 function containsCode(sentence) {
-
+	if (sentence.includes("code")) {
+		return true;
+	} else {
+		return false;
+	}
 }
 
 /* 
@@ -19,11 +23,11 @@ var sentence1 = "code your future";
 var sentence2 = "draw your future";
 var sentence3 = "design your future";
 
-console.log("'" + sentence1 + "': " + containsCode(sentence1))
-console.log("'" + sentence2 + "': " + containsCode(sentence2))
-console.log("'" + sentence3 + "': " + containsCode(sentence3))
+console.log("'" + sentence1 + "': " + containsCode(sentence1));
+console.log("'" + sentence2 + "': " + containsCode(sentence2));
+console.log("'" + sentence3 + "': " + containsCode(sentence3));
 
-    /* 
+/* 
     EXPECTED RESULT
     ---------------
     'code your future': true

week-2/1-exercises/H-array-literals/exercise.js

@@ -4,8 +4,8 @@
   Declare some variables assigned to arrays of values
 */
 
-var numbers = []; // add numbers from 1 to 10 into this array
-var mentors; // Create an array with the names of the mentors: Daniel, Irina and Rares
+var numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]; // add numbers from 1 to 10 into this array
+var mentors = ["Daniel", "Irina", "Rares"]; // Create an array with the names of the mentors: Daniel, Irina and Rares
 
 /* 
   DO NOT EDIT BELOW THIS LINE

week-2/1-exercises/I-array-properties/exercise.js

@@ -6,7 +6,12 @@
 */
 
 function isEmpty(arr) {
-  return; // complete this statement
+	if (arr.length === 0) {
+		return true;
+	} else {
+		return false;
+	}
+	// complete this statement
 }
 
 /* 

week-2/1-exercises/J-array-get-set/exercise.js

@@ -5,11 +5,11 @@
 */
 
 function first(arr) {
-  return; // complete this statement
+	return arr[0]; // complete this statement
 }
 
 function last(arr) {
-  return; // complete this statement
+	return arr[arr.length - 1]; // complete this statement
 }
 
 /* 

week-2/1-exercises/J-array-get-set/exercises2.js

@@ -7,7 +7,7 @@
 */
 
 var numbers = [1, 2, 3]; // Don't change this array literal declaration
-
+numbers.push(4);
 /* 
   DO NOT EDIT BELOW THIS LINE
   --------------------------- */