javascript get element by class
var elementsArray = document.getElementsByClassName("someclassname");javascript get element by class
var elementsArray = document.getElementsByClassName("someclassname");create element javascript with class
// create div element by javascript with class
var div = document.createElement('div');
div.className = "div1";javascript create element with class
Let suppose we are creating a div using javascript create element
// create a new div element
var newDiv = document.createElement("div");
// assigning class name to the new div
newDiv.className = "className";javascript class
// Improved formatting of Spotted Tailed Quoll's answer
class Person {
constructor(name, age) {
this.name = name;
this.age = age;
}
introduction() {
return `My name is ${name} and I am ${age} years old!`;
}
}
let john = new Person("John Smith", 18);
console.log(john.introduction());how to create a class javascript
class Person {
constructor(name, age) {
this.name = name;
this.age = age;
}
displayInfo() {
return this.name + ' is' + this.age + " years old";
}
}
const Anthony = new Person('Anthony', 32);element.classname javascript
let el = document.getElementById('item');
if (el.className === 'active'){
el.className = 'inactive';
} else {
el.className = 'active';
}Copyright © 2021 Codeinu
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