JS midterm study

INFO-1272 (JS 1)/Notes/Midterm/index.html

@@ -132,6 +132,41 @@
     </ul>
     <hr>
 
+    <h2>JavaScript Global Functions</h2>
+    <ol>
+        <li>Describe the operation and the return for the following global functions:</li>
+        <ul>
+            <li>parseInt(number)</li>
+            <li>parseFloat(number)</li>
+        </ul>
+    </ol>
+    <p>Answers:</p>
+    <ul>
+        <li>parseInt(number) takes a string as input and returns the first integer in the string. Can also accept a
+            radix option</li>
+        <li>parseFloat(number) takes a string as input and returns the first float value in the string.</li>
+    </ul>
+    <hr>
+
+    <h2>JavaScript String Methods</h2>
+    <ol>
+        <li>Describe the operation and the return for the following String methods.</li>
+        <ul>
+            <li>length</li>
+            <li>toLowerCase()</li>
+            <li>toUpperCase()</li>
+            <li>charAt()</li>
+        </ul>
+    </ol>
+    <p>Answers:</p>
+    <ul>
+        <li>length gets the character count of a string including spaces</li>
+        <li>toLowerCase() turns all uppercase letters to lowercase letters</li>
+        <li>toUpperCase() turns all lowercase letters to uppercase letters</li>
+        <li>chatAt() takes a number for the index of the word to search through and returns the character at that index.
+        </li>
+    </ul>
+
     <h2>Playground</h2>
     <p>Interactive JavaScript follows</p>
 

INFO-1272 (JS 1)/Notes/Midterm/index.js

@@ -0,0 +1,51 @@
+for (var i = 1; i < 10; i++) {
+    console.log("Ran " + i + " time(s).")
+};
+
+console.log(window.confirm("Feel prepared?")); // true or false
+
+var question = ("50" === 50);
+console.log(question);
+
+var question2 = (true && false);
+console.log(question2);
+
+var question3 = (true || false);
+console.log(question3);
+
+// VAR price = 35.6; <-- WRONG
+var price = 35.6; // <-- RIGHT
+
+var city = "London";
+
+if (city.toLowerCase() === "london") {
+    console.log("I live there too!");
+} else {
+    console.log("I dont know where that is.")
+}
+
+var userName = window.prompt("Please enter your name:");
+greetUser(userName);
+
+var radius = window.prompt("Please enter circle radius:");
+calcCirc(radius);
+
+var testNum = window.prompt("Number to test for even:");
+isEven(testNum);
+
+function greetUser(userName) {
+    alert("Hello " + userName + " welcome to the page");
+}
+
+function calcCirc(radius) {
+    var Circ = ((2 * Math.PI) * radius).toFixed(2);
+    alert("Circumference is: " + Circ + " Inches.");
+}
+
+function isEven(number) {
+    if (number % 2 == 0) {
+        console.log(number + " is even");
+    } else {
+        console.log(number + " is odd");
+    }
+}