Is it possible to change an element's inner HTML before it is inserted in the DOM? I already tried doing this with MutationObserver but the problem is that you can see the element's HTML visually changing, is there a way to do this before DOM insertion altogether?
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(mutation) {
mutation.addedNodes[0].innerHTML = "....";
});
});
// Notify me of everything!
var observerConfig = {
attributes: true,
childList: true,
characterData: true
};
var targetNode = document.querySelector("ul#myElement");
observer.observe(targetNode, observerConfig);
您可以尝试将整个正文显示为CSS display:none,更改所需的内容,然后再将其放回display:block
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