function myFunction() {
...
}
function addTwoNumbers(num1, num2) {
num1 + num2;
}
var myString = 'Stringing of characters.';
var myNumber = 77;
var myBoolean = true;
var firstName = 'Barack';
var lastName = 'Obama';
var age = 51;
var isPresident = true;
if (condition) {
...
} else if (some other condition) {
...
} else {
...
}
if (age >= 18 && isMale == true) {
// Male adult.
} else if (age < 18 && isMale == true) {
// Male minor.
} else {
// None of the above were true.
}
if (isLoggedIn == true && isIdle == false) {
// User is logged in and not idle.
}
var fruits = ['Apple', 'Orange', 'Peach'];
var balances = [3010, 5010, 22000];
var firstFruit = fruits[0];
var secondFruit = fruits[1];
var thirdFruit = fruits[2];
var secondBalance = balances[1];
var lastBalance = balances[2];
var fruits = ['Apple', 'Orange', 'Peach'];
fruits[0] = 'Banana';
fruits[2] = 'Zucchini';
// What fruits are available now?
console.log(fruits);
var president = {
first: 'Barack',
last: 'Obama',
age: 51,
currentlyPresident: true,
children: ['Sasha', 'Malia'],
address: {
street: 'Pennsylvania',
number: 1600,
location: 'Washington DC'
}
};
var firstName = president.first;
var lastName = president.last;
var children = president.children;
var firstChild = children[0];
var streetName = president.address.street;
president.first = 'Bill';
president.last = 'Clinton';
president.currentlyPresident = false;
president.children = ['Chelsea']
for(initialize; condition; update) {
...
}
var fruits = ['Apple', 'Orange', 'Peach'];
for (var i = 0; i < 3; i++) {
console.log(fruits[i]);
}
var myImage = document.createElement('img');
myImage.src = 'catz.jpg';
var myDiv = document.createElement('div');
document.body.appendChild(myImage);
myDiv.appendChild(myImage);