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I cannot see that Safari supports the "connectedCallback" in Custom Elements, which seems to be to be foundational to the entire technology. https://developer.

I cannot see that Safari supports the "connectedCallback" in Custom Elements, which seems to be to be foundational to the entire technology. https://developer.mozilla.org/en-US/docs/Web/Web_Components/Using_custom_elements#using_the_lifecycle_callbacks https://developer.mozilla.org/en-US/docs/Web/Web_Components/... If you're correct about Safari's level of support can you referf me to where it supports connectedCallback?

WickyNilliams 5y ago
The proof, as they say, is in the pudding: https://codepen.io/WickyNilliams/pen/dydoNez https://codepen.io/WickyNilliams/pen/dydoNez It's been supported for years AFAIK. As long as you extend HTMLElement, and not some other element, everything will work as expected