Implement 12-hour clock formatting function and add test cases

Author: HadiVahidi20

Sprint-2/1-key-errors/0.js

@@ -1,13 +1,20 @@
 // Predict and explain first...
-//  =============> write your prediction here
+//  =============> this function get the argument and as string then first letter in capital and the rest of string in lower case;
 
 // call the function capitalise with a string input
 // interpret the error message and figure out why an error is occurring
 
-function capitalise(str) {
-  let str = `${str[0].toUpperCase()}${str.slice(1)}`;
-  return str;
-}
+// function capitalise(str) {
+//   let str = `${str[0].toUpperCase()}${str.slice(1)}`;
+//   return str;
+// }
 
 // =============> write your explanation here
+// the problem is in line 8, because we can not use the "str" twice, currently once we used as parameter and again as variable,
 // =============> write your new code here
+
+function capitalise(str) {
+  return `${str[0].toUpperCase()}${str.slice(1)}`;
+   
+}
+console.log(capitalise("hello world"));

Sprint-2/Prep/12hours.js

@@ -0,0 +1,27 @@
+function formatAs12HourClock(time) {
+  if (Number(time.slice(0, 2)) > 12) {
+    return `${Number(time.slice(0, 2)) - 12}:00 pm`;
+  }
+  return `${time} am`;
+}
+
+const currentOutput = formatAs12HourClock("08:00");
+const targetOutput = "08:00 am";
+console.assert(
+  currentOutput === targetOutput,
+  `current output: ${currentOutput}, target output: ${targetOutput}`
+);
+
+const currentOutput2 = formatAs12HourClock("23:00");
+const targetOutput2 = "11:00 pm";
+console.assert(
+  currentOutput2 === targetOutput2,
+  `current output: ${currentOutput2}, target output: ${targetOutput2}`
+);
+const currentOutput3 = formatAs12HourClock("00:00");
+const targetOutput3 = "12:00 am";
+console.assert(
+  currentOutput2 === targetOutput2,
+  `current output: ${currentOutput2}, target output: ${targetOutput2}`
+);
+console.log(currentOutput3,targetOutput3);