javascript - 如何收听对title元素的更改？

在Javascript中，有没有一种技术可以监听title元素的更改？

最佳答案

5年后，我们终于有了更好的解决方案。使用MutationObserver!
简而言之:

new MutationObserver(function(mutations) {
    console.log(mutations[0].target.nodeValue);
}).observe(
    document.querySelector('title'),
    { subtree: true, characterData: true, childList: true }
);

有评论:

// select the target node
var target = document.querySelector('title');

// create an observer instance
var observer = new MutationObserver(function(mutations) {
    // We need only first event and only new value of the title
    console.log(mutations[0].target.nodeValue);
});

// configuration of the observer:
var config = { subtree: true, characterData: true, childList: true };

// pass in the target node, as well as the observer options
observer.observe(target, config);

也是Mutation Observer has awesome browser support:

关于javascript - 如何收听对title元素的更改？，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/2497200/