snippets/javascript_mutationoberserver


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        new window.MutationObserver((ms) => {
          for (const m of ms) {
            console.log(m)
            console.log('m', m.target.innerHTML)
            console.log('m', m.target.classList)
          }
        }).observe(item, {
          attributes: true,
          attributeFilter: ['class'],
          attributeOldValue: true,
          characterDataOldValue: true
        })