"Bookmark" button?

Is there anything like a bookmark button开发者_开发技巧 using Javascript or HTML or PHP that we can bookmark the website ? without doing manually.

Like,

When the user clicks the button.The webpage should automatically bookarmed by the browser.

Thanks

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Not really. There used to be some hacks for some browsers, but I doubt they still work.

If a user knows how to find and follow an existing bookmark (which is what you really want), he will also know how to add it with his browser feature.