Gather sand into a tower, make a little progress every day
⭐ Introduction to the column
Front-end Getting Started Tour: Explore the wonderful world of Web development Remember to click the link above or on the right to subscribe to this column Oh Geometry will take you on a front-end journey
Welcome to the front-end introductory tour! This column is tailored for those friends who are interested in web development and have just stepped into the front-end field. Whether you are a complete novice or have some basic developers, here will provide you with a systematic and friendly learning platform. In this column, we will update it every day in the form of questions and answers, presenting selected front-end knowledge points and answers to frequently asked questions. Through the question-and-answer format, we hope to more directly respond to readers' questions about front-end technology, and help everyone gradually build a solid foundation. Whether it's HTML, CSS, JavaScript, or a variety of commonly used frameworks and tools, we'll explain concepts in simple terms and provide practical examples and exercises to reinforce what you've learned. At the same time, we will also share some practical tips and best practices to help you better understand and use various technologies in front-end development.
Not only that, we also regularly launch some practical project tutorials, so that you can apply the knowledge you have learned to actual development. Through the practice of actual projects, you will be able to better understand the workflow and methodology of front-end development, and develop your ability to solve problems and develop independently. We believe that only by continuous accumulation and practice can we truly master front-end development technology. So get ready for the challenge and bravely embark on this front-end introductory journey! Whether you're looking for a career transition, upskilling or personal interest, we're committed to providing you with the highest quality learning resources and support. Let's explore the wonderful world of web development together! Join the front-end introductory journey and become an excellent front-end developer! Let's set sail on the front end In JavaScript, there are several ways to create objects. Here are some common ways:
⭐ Literal method
One of the easiest ways to create objects is to use object literals.
var person = {
firstName: 'John',
lastName: 'Doe',
age: 30
};
⭐ Constructor way
To create an object using a constructor, you define a constructor and then use newkeywords to create an instance of the object.
function Person(firstName, lastName, age) {
this.firstName = firstName;
this.lastName = lastName;
this.age = age;
}
var person = new Person('John', 'Doe', 30);
⭐ Object.create() method
Objects are created using Object.create()a method that allows you to specify a prototype object.
var personPrototype = {
sayHello: function() {
console.log('Hello!');
}
};
var person = Object.create(personPrototype);
person.firstName = 'John';
person.lastName = 'Doe';
person.age = 30;
⭐ Factory function method
Objects are created using factory functions, which are functions that return new objects.
function createPerson(firstName, lastName, age) {
var person = {
};
person.firstName = firstName;
person.lastName = lastName;
person.age = age;
return person;
}
var person = createPerson('John', 'Doe', 30);
⭐ ES6 class method
Objects are created using ES6 classes, which are a template for defining objects.
class Person {
constructor(firstName, lastName, age) {
this.firstName = firstName;
this.lastName = lastName;
this.age = age;
}
}
var person = new Person('John', 'Doe', 30);
These are all common ways of creating objects in JavaScript. You can choose the appropriate method according to your needs and programming style. Whichever way you choose, you end up creating an object that can contain properties and methods for use in your code.
⭐ Written at the end
This column is suitable for a wide range of readers, suitable for front-end beginners; or partners who have never studied the front-end and are interested in the front-end, or back-end students who want to better show themselves and expand some front-end knowledge points during the interview process, so If you have a front-end foundation and follow this column to learn, it can also help you to check and fill in the gaps to a great extent. Since the blogger himself does the content output, if there are any flaws in the article, you can contact me on the left side of the homepage , we make progress together, and at the same time recommend several columns for everyone, interested partners can subscribe: In addition to the columns below, you can also go to my homepage to see other columns;
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