javascript check if element has class
if(document.getElementById("myElmentID").classList.contains("hidden")){
// I have the 'hidden' class
}javascript check if element has class
if(document.getElementById("myElmentID").classList.contains("hidden")){
// I have the 'hidden' class
}check if a class exists javascript
const element = document.querySelector("#box");
element.classList.contains("active");check if object has method javascript
if(typeof myObj.prop2 === 'function') {
alert("It's a function");
} else if (typeof myObj.prop2 === 'undefined') {
alert("It's undefined");
} else {
alert("It's neither undefined nor a function. It's a " + typeof myObj.prop2);
}how to check has class name in js?
element.classList.contains(className);Code language: CSS (css)Copyright © 2021 Codeinu
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