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
}
js contains class
element.classList.contains('class');
check if a class exists javascript
const element = document.querySelector("#box");
element.classList.contains("active");
check if element with class has another class javascript
const div = document.querySelector('div');
div.classList.contains('secondary'); // trueCode language: JavaScript (javascript)
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