complate week2 exercise of module js-1

week-2/debug/0.js

@@ -1,7 +1,7 @@
 // Predict and explain first...
-
+// instead of console.lon inside the function return a*b
 function multiply(a, b) {
-  console.log(a * b);
+  return a * b;
 }
 
 console.log(`The result of multiplying 10 and 32 is ${multiply(10, 32)}`);

week-2/debug/1.js

@@ -1,8 +1,7 @@
 // Predict and explain first...
-
+// did not return value truly
 function sum(a, b) {
-  return;
-  a + b;
+  return a + b;
 }
 
 console.log(`The sum of 10 and 32 is ${sum(10, 32)}`);

week-2/debug/2.js

@@ -1,8 +1,6 @@
 // Predict and explain first...
-
-const num = 103;
-
-function getLastDigit() {
+// pass a parameter inside the function so return num.toString().Slice(-1) that takes the last digit for the user  
+function getLastDigit(num) {
   return num.toString().slice(-1);
 }
 

week-2/errors/0.js

@@ -1,9 +1,11 @@
 // Predict and explain first...
 // write down the error you predict will be raised
+// the error that I predict is that there is no function call secondly same name variable str used in 2 times 
 // then call the function capitalise with a string input
 // interpret the error message and figure out why it's happening, if your prediction was wrong
 
 function capitalise(str) {
-  let str = `${str[0].toUpperCase()}${str.slice(1)}`;
-  return str;
+  let strs = `${str[0].toUpperCase()}${str.slice(1)}`;
+  return strs;
 }
+console.log(capitalise("arslan"));

week-2/errors/1.js

@@ -1,13 +1,13 @@
 // Predict and explain first...
 // Write down the error you predict will be raised
+//the error is function call is not write correctly so i correct it 
 // Why will an error occur when this program runs?
 // Play computer with the example to work out what is going on
 
 function convertToPercentage(decimalNumber) {
-  const decimalNumber = 0.5;
+  // const decimalNumber = 0.5;
   const percentage = `${decimalNumber * 100}%`;
-
   return percentage;
 }
 
-console.log(decimalNumber);
+console.log(convertToPercentage(0.5));

week-2/errors/2.js

@@ -2,9 +2,10 @@
 // Predict and explain first...
 // this function should square any number but instead we're going to get an error
 // what is happening? How can we fix it?
-
-function square(3) {
+// yes i fix it pass a function parameter then call the parameter outside the function 
+function square(num) {
     return num * num;
 }
+console.log(square(3));
 
 

week-2/implement/bmi.js

@@ -13,3 +13,9 @@
 // Given someone's weight in kg and height in metres
 // When we call this function with the weight and height
 // Then it returns their Body Mass Index to 1 decimal place
+function weightBmI(weight,height){
+  const heightSqu = height * height;
+  const Bmi = weight/heightSqu;
+  return Bmi.toFixed(1);
+}
+console.log(weightBmI(70,1.27));

week-2/implement/cases.js

@@ -15,3 +15,10 @@
 
 // Come up with a clear, simple name for the function
 // Use the string documentation to help you plan your solution
+function uprCaseString(str){
+const uprCase =str.toUpperCase();
+const uprCaseStringSlash = uprCase.replace(/ /g,"_");
+return uprCaseStringSlash;
+}
+console.log(uprCaseString("hi arslan"))
+console.log(uprCaseString("A quick brown fox jump over a lazy dog"));

week-2/implement/to-pounds.js

@@ -3,3 +3,9 @@
 // Take this code and turn it into a reusable block of code.
 // Declare a function called toPounds with an appropriately named parameter.
 // Call this function a number of times to check it works for different inputs
+function toPound(kilogram){
+    const pound = kilogram * 2.20462;
+    return pound;
+}
+console.log(toPound(1));
+console.log(toPound(3));

week-2/implement/vat.js

@@ -8,3 +8,8 @@
 // Given a number,
 // When I call this function with a number
 // Then it returns the new price with VAT added on
+function Vat(price){
+    const vatOnPrice = price * 1.2;
+    return vatOnPrice; 
+}
+console.log(Vat(50));

week-2/interpret/time-format.js

@@ -4,40 +4,42 @@ function pad(num) {
   }
   return num;
 }
-
 function formatTimeDisplay(seconds) {
   const remainingSeconds = seconds % 60;
+  console.log(remainingSeconds);
   const totalMinutes = (seconds - remainingSeconds) / 60;
+  console.log(totalMinutes);
   const remainingMinutes = totalMinutes % 60;
+  console.log(remainingMinutes);
   const totalHours = (totalMinutes - remainingMinutes) / 60;
+  console.log(totalHours);
   const remainingHours = totalHours % 24;
+  console.log(remainingHours);
 
-  return `${pad(remainingHours)}:${pad(remainingMinutes)}:${pad(
-    remainingSeconds
-  )}`;
+  return `${pad(remainingHours)}:${pad(remainingMinutes)}:${pad(remainingSeconds)}`;
 }
-
 console.log(formatTimeDisplay(143));
 
 // You can play computer with this example
 // Use the Python Visualiser https://pythontutor.com/visualize.html#mode=edit
 // to help you answer these questions
-
+//  
 // Questions
 
 // a) When formatTimeDisplay is called how many times will pad be called?
-
+//    pad is called three times on function call once for Minute and second and hour
 // Call formatTimeDisplay with an input of 143, now answer the following:
-
+//    00:02:23
 // b) What value is assigned to the parameter num when pad is called for the first time?
-
+//    first time when call the value is 0 
 // c) What is the return value of pad when it is called for the first time?
-
+//    return 0 
 // d) What is the value assigned to the parameter num when pad
+//    remainingSeconds = 143 % 60 results in 23.
 // is called for the last time in this program?  Explain your answer
-
+//    when call the last time value is 23
 // e) What is the return value when pad is called
+//    00:02:23
 // for the last time in this program?  Explain your answer
-
 // f) Research an alternative way of padding the numbers in this code.
 // Look up the string functions on mdn