data types

01week/datatypes.js

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+//1. Write a JavaScript program to display the current day and time.
+function findTime(){
+  const now = new Date(); //find date
+  const date = (now.getMonth() + 1) + "/" + now.getDate(); //display month/day
+  const time = now.getHours() + ":" + now.getMinutes(); //display hour:minute
+  const dayArray = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]; //array for day of the week
+  const day = dayArray[now.getDay()]; //get string day of week
+  const dateTime = "It is " + day + ", " + date + " at " + time + "."; //display time and date in string
+return dateTime;
+}
+
+findTime();
+
+//2. Write a JavaScript program to convert a number to a string.
+
+function numToString(num){
+  return num.toString();
+}
+numToString(30)
+
+
+//3. Write a JavaScript program to convert a string to the number.
+
+function stringToNum(string){
+  return Number(string);
+}
+stringToNum('89')
+
+
+//4. Write a JavaScript program that takes in different datatypes and prints out what type they are.
+
+function dataType(type){
+  return typeof(type);
+}
+dataType('eklgjheoh')
+
+
+//5. Write a JavaScript program that adds 2 numbers together.
+
+function sumNumbers (num1,num2) {
+	return num1 + num2
+}
+sumNumbers(7, 3000)
+
+//6. Write a JavaScript program that runs only when 2 things are true.
+
+function bothTrue (arg1, arg2) {
+  if(arg1 && arg2) {
+    return 'both are true'
+  }else{
+   return 'nope'
+  }
+}
+bothTrue(4, 6);
+bothTrue(null, 6);
+bothTrue(3, false)
+
+//7. Write a JavaScript program that runs when 1 of 2 things are true.
+
+function oneTrueThing(arg1, arg2) {
+  if (arg1 || arg2) {
+    return "st least one of these is true";
+  } else {
+    return "neither of these is true";
+    }
+}
+oneTrueThing(false, true)
+
+//8. Write a JavaScript program that runs when both things are not true.
+
+function bothFalse(arg1, arg2) {
+  if (!arg1 && !arg2) {
+    return "both of these are false"
+  } else {
+    return "at least one of the arguments is true"
+  }
+}
+bothFalse(4, 0)
+bothFalse(0, 0)