Loops

04week/loop.js

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+// Use a do...while loop to console.log the numbers from 1 to 1000.
+let n = 0;
+do {
+    n += 1
+    console.log(n) 
+} while (n<1000);
+
+// Create an object (an array with keys and values) called person with the following data:
+
+// firstName: "Jane"
+// lastName: "Doe"
+// birthDate: "Jan 5, 1925"
+// gender: "female"
+
+let person = {
+    firstName: "Jane",
+    lastName: "Doe",
+    birthDate: ["Jan 5, 1925", "Jan 6, 1926"],
+    gender: "female",
+}
+
+// Use a for...in loop and if statement to console.log the value associated with the key birthDate if the birth year is an odd number.
+
+let oddNumbers = [1,3,5,7,9];
+let i = "";
+for (i in person) {
+  for (n=0;n<person[i].length; n++) {
+    if ([1,3,5,7,9].includes(person[i][n].slice(-1))==true){
+        console.log("yes");
+    }
+  }
+}
+
+/* Create an arrayOfPersons that contains mulitiple objects. You can simply copy/paste the person 
+object you made above multiple times. Feel free to change the values to reflect multiple people 
+you might have in your database.
+*/
+
+let arrayOfPersons = [
+    {
+      firstName: "Jane",
+      lastName: "Doe",
+      birthDate: ["Jan 5, 1925"],
+      gender: "female",
+   }, 
+    {
+      firstName: "John",
+      lastName: "Doe",
+      birthDate: ["Jan 5, 1927"],
+      gender: "male",
+  }, 
+    {
+      firstName: "Janet",
+      lastName: "Done",
+      birthDate: ["Jan 1, 1991"],
+      gender: "female",
+  }, 
+]
+
+// Use .map() to map over the arrayOfPersons and console.log() their information.
+arrayOfPersons.map(x => console.log(x))
+
+// Use .filter() to filter the persons array and console.log only males in the array.
+arrayOfPersons.filter(x => console.log(x.gender == 'male'))
+
+// Use .filter() to filter the persons array and console.log only people that were born before Jan 1, 1990.
+function year() {
+    for (i=0;i<arrayOfPersons.length;i++) {
+      for (n=0; n<arrayOfPersons[i].birthDate.length; n++) {
+        let birthYear = arrayOfPersons[i].birthDate[n].slice(-4);
+      if(birthYear < 1990) {
+        console.log(birthYear)
+      }
+    }
+    }
+  }
+  //Was working on this one and ran out of time.
+  arrayOfPersons.filter(year => ...)
+