javascript - Scroll to an element with jQuery

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javascript - Scroll to an element with jQuery

posted Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

javascript - Scroll to an element with jQuery

I have this input element:

<input type="text" class="textfield" value="" id="subject" name="subject">

Then I have some other elements, like other text inputs, textareas, etc.

When the user clicks on that input with #subject, the page should scroll to the last element of the page with a nice animation. It should be a scroll to bottom and not to top.

The last item of the page is a submit button with #submit:

<input type="submit" class="submit" id="submit" name="submit" value="Ok, Done.">

The animation should not be too fast and should be fluid.

I am running the latest jQuery version. I prefer to not install any plugin but to use the default jQuery features to achieve this.

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1 Reply

深蓝 · Answer 1 · 2021-10-16T05:44:38+0000

Assuming you have a button with the id button, try this example:

$("#button").click(function() {
    $([document.documentElement, document.body]).animate({
        scrollTop: $("#elementtoScrollToID").offset().top
    }, 2000);
});

I got the code from the article Smoothly scroll to an element without a jQuery plugin. And I have tested it on the example below.

<html>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script>
    <script>
        $(document).ready(function (){
            $("#click").click(function (){
                $('html, body').animate({
                    scrollTop: $("#div1").offset().top
                }, 2000);
            });
        });
    </script>
    <div id="div1" style="height: 1000px; width 100px">
        Test
    </div>
    <br/>
    <div id="div2" style="height: 1000px; width 100px">
        Test 2
    </div>
    <button id="click">Click me</button>
</html>

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javascript - Scroll to an element with jQuery

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