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js listen for class change event

Jittery Jaguar answered on May 2, 2022 Popularity 9/10 Helpfulness 6/10

answer js listen for class change event

js listen for class change event

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const btn = document.querySelector('.btn')
const options = {
  attributes: true
}

function callback(mutationList, observer) {
  mutationList.forEach(function(mutation) {
    if (mutation.type === 'attributes' && mutation.attributeName === 'class') {
      // handle class change
    }
  })
}

const observer = new MutationObserver(callback)
observer.observe(btn, options)

Popularity 9/10 Helpfulness 6/10 Language javascript

Source: nikitahl.com

Tags: class javascript listen

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Contributed on May 02 2022

Jittery Jaguar

0 Answers Avg Quality 2/10

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js listen for class change event

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