Lab for today

loops.js

@@ -4,14 +4,68 @@
 //Bonus: Use a nested for loop to show the tables for every
 //multiplier from 1 to 10 (100 results total)
 
+function myLoop(){
+    let num = [0,1,2,3,4,5,6,7,8,9,10]
+    for(let i = 0; i < num.length; i++){
+      console.log(num[i] * 9)
+    }
+  }
+myLoop()
+
 //Write a while loop that starts counting from 5.
 //Count up to (including) 50 and count only every fifth number
 //Don' forget to log it
 
+let i = 5;
+while (i < 51){
+  console.log(i);
+    i = i + 5;
+}
+
+
 //Write a function that takes an array of numbers as an argument.
 //This function should return the first duplicate number in the array:
 // For example: [2,7,5,9,8,7] should return 7;
+function duplicate(arr) {
+    let elementSet = new Set();
+    for (let i = 0; i < arr.length; i++) {
+        if (elementSet.has(arr[i])){
+          return arr[i];
+        }
+        elementSet.add(arr[i]);
+    }
+
+    return "There are no duplicates here!";
+  }
+
+console.log(duplicate([2,7,5,9,8,7]))
+
 
-//Remembering the results from the conditionals exercise on Monday
+// Remembering the results from the conditionals exercise on Monday
 // use the assignGrade function by logging every value from 60 to 100:
-//your log should show "For 88, you got a B" "For 90 you got an A"etc..
+// your log should show "For 88, you got a B" "For 90 you got an A"etc..
+
+function assignGrade(num){
+  if(num >= 90 && num < 100){
+    return "For a " + num + ", you got A"
+  }
+  else if(num >= 80 && num < 90){
+    return "For a " + num + ", you got B"
+  }
+  else if(num >= 70 && num < 80 ){
+    return "For a " + num + ", you got C"
+  }
+  else if(num >= 60 && num < 70){
+    return "For a " + num + ", you got D"
+  }
+  else{
+    return "For a " + num + ", you got F"
+  }
+}
+
+console.log(assignGrade(50))
+console.log(assignGrade(70))
+console.log(assignGrade(90))
+
+
+