In Javascript, what does `$("a[href*='video']")` represent?

I find myself puzzled by this particular line of code: $("a[href*='video']"). It seems to hold an enigma that I can't quite unravel.

$("a[href*='video']").click(function() {
    var id = $(this).attr("href");
    playVideo(id);
});

function playVideo(id) {
    var $video = $(id + " video")[0];
    $video.play();

    $(".close").click(function() {
        $video.pause();
        $video.currentTime = 0;
    });
}

Answer №1

$("a[href*='video']")

This jQuery method is known as the attribute contains selector. When used, it will retrieve an Array of all <a> elements that have a href containing the word video.

<a href="http://yahoo.com/video/123">

For example, if a link like the one above has video in its URL, it will be selected by this function.

Answer №2

When using this selector, the first step is to focus on all anchor elements. The bracket notation then narrows down to target a specific attribute of those elements, such as class, id, value, or href.

* serves as the wildcard selector.

If you specify *, you are essentially selecting everything within the document. In this particular case, it targets all anchor elements with an href attribute that includes the term 'video'.

Although the syntax may appear complex at first glance, it actually provides a simple way to pinpoint every video link present on your website.

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