updated folder structure

Chapter 5/Code Samples/ch5_snippets.js

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+let i = 0;
+while (i < 10) {
+  console.log(i);
+  i++;
+}
+
+let someArray = ["Mike", "Antal", "Marc", "Emir", "Louiza", "Jacky"];
+let notFound = true;
+
+while (notFound && someArray.length > 0) {
+  if (someArray[0] === "Louiza") {
+    console.log("Found her!");
+    notFound = false;
+  } else {
+    someArray.shift();
+  }
+}
+
+console.log(someArray);
+
+let nr1 = 0;
+let nr2 = 1;
+let temp;
+fibonacciArray = [];
+
+while (fibonacciArray.length < 25) {
+  fibonacciArray.push(nr1);
+  temp = nr1 + nr2;
+  nr1 = nr2;
+  nr2 = temp;
+}
+
+console.log(fibonacciArray);
+
+do {
+  // code to be executed if the condition is true
+} while (true);
+
+let number;
+do {
+  number = prompt("Please enter a number between 0 and 100: ");
+} while (!(number >= 0 && number < 100));
+
+for (let i = 0; i < 10; i++) {
+  console.log(i);
+}
+
+let arr = [];
+for (let i = 0; i < 100; i++) {
+  arr.push(i);
+}
+
+let arr = [];
+for (let i = 0; i < 100; i = i + 2) {
+  arr.push(i);
+}
+
+let arrOfArrays = [];
+for (let i = 0; i < 3; i++) {
+  arrOfArrays.push([]);
+  for (let j = 0; j < 7; j++) {
+    arrOfArrays[i].push(j);
+  }
+}
+
+console.log(arrOfArrays);
+
+let names = ["chantal", "john", "maxime", "bobbi", "jair"];
+for (let i = 0; i < names.length; i++) {
+  console.log(names[i]);
+}
+
+//let names = ["chantal", "john", "maxime", "bobbi", "jair"];
+for (let i = 0; i < names.length; i++) {
+  names[i] = "hello " + names[i];
+}
+console.log(names);
+
+for (let name of names) {
+  console.log(name);
+}
+
+let car = {
+  model: "Golf",
+  make: "Volkswagen",
+  year: 1999,
+  color: "black",
+};
+
+for (let prop in car) {
+  console.log(car[prop]);
+}
+
+for (let prop in car) {
+  console.log(prop);
+}
+
+let cars = [
+  {
+    model: "Golf",
+    make: "Volkswagen",
+    year: 1999,
+    color: "black",
+  },
+  {
+    model: "Picanto",
+    make: "Kia",
+    year: 2020,
+    color: "red",
+  },
+  {
+    model: "Peugeot",
+    make: "208",
+    year: 2021,
+    color: "black",
+  },
+  {
+    model: "Fiat",
+    make: "Punto",
+    year: 2020,
+    color: "black",
+  },
+];
+
+for (let i = 0; i < 10; i++) {
+  console.log(i);
+  if (i === 4) {
+    break;
+  }
+}
+
+for (let i = 0; i < cars.length; i++) {
+  if (cars[i].year >= 2020) {
+    if (cars[i].color === "black") {
+      console.log("I have found my new car and can stop looking:", car[i]);
+      break;
+    }
+  }
+}
+
+let superLongArray = [];
+while (true) {
+  if (superLongArray[0] != 42 && superLongArray.length > 0) {
+    superLongArray.shift();
+  } else {
+    console.log("Found 42!");
+    break;
+  }
+}
+
+let notFound = true;
+while (superLongArray.length > 0 && notFound) {
+  if (superLongArray[0] != 42) {
+    superLongArray.shift();
+  } else {
+    console.log("Found 42!");
+    notFound = false;
+  }
+}
+
+for (let car of cars) {
+  if (car.color !== "black") {
+    continue;
+  }
+  if (car.year >= 2020) {
+    console.log("sure, let's get this one:", car);
+  }
+}
+// let's only log the odd numbers to the console
+let i = 1;
+while (i < 50) {
+  if (i % 2 === 0) {
+    continue;
+  }
+  console.log(i);
+  i++;
+}
+
+let i = 1;
+while (i < 50) {
+  i++;
+  if ((i - 1) % 2 === 0) {
+    continue;
+  }
+  console.log(i - 1);
+}
+
+for (let i = 1; i < 50; i = i + 2) {
+  console.log(i);
+}
+
+let groups = [
+  ["martin", "daniel", "keith"],
+  ["margot", "marina", "ali"],
+  ["helen", "jonah", "sambikos"],
+];
+
+//let's find a group with two names starting with an m
+for (let i = 0; i < groups.length; i++) {
+  let matches = 0;
+
+  for (let j = 0; j < groups[i].length; j++) {
+    if (groups[i][j].startsWith("m")) {
+      matches++;
+    } else {
+      continue;
+    }
+    if (matches === 2) {
+      console.log("Found a group with two names starting with an m:");
+      console.log(groups[i]);
+      break;
+    }
+  }
+}
+
+for (let group of groups) {
+  for (let member of group) {
+    if (member.startsWith("m")) {
+      console.log("found one starting with m:", member);
+      break;
+    }
+  }
+}
+
+outer: for (let group of groups) {
+  inner: for (let member of group) {
+    if (member.startsWith("m")) {
+      console.log("found one starting with m:", member);
+      break outer;
+    }
+  }
+}