scroll to an element on click in react
click to scroll to an element in react:
-
set the property on the element you want to scroll to
ref
. -
sets a property on another element
onclick
. -
each time the element is clicked,
scrollintoview()
the method of the ref object is called.
import {useref} from 'react';
export default functionapp() {
const ref = useref(null);
const handleclick = () => {
ref.current?.scrollintoview({behavior: 'smooth'});
};
return (
<div>
<button onclick={handleclick}>scroll to elementbutton>
<div style={{height: '155rem'}} />
<div ref={ref}>some content herediv>
<div style={{height: '155rem'}} />
div>
);
}
we useref
initialize a ref using the hook.
useref()
the hook can be passed an initial value as an argument. the hook returns a mutable ref object whose .current property is initialized to the passed argument.
请注意
, we must access the current property of the ref object to access the div element on which we set the ref attribute.
when we pass a ref prop to an element, for example
we set the onclick attribute on the button element, so every time it is clicked handleclick
the function will be called.
const handleclick = () => {
ref.current?.scrollintoview({behavior: 'smooth'});
};
in handleclick
the function, we use scrollintoview
the method to scroll to the div element that has the ref attribute set.
behavior
property specifies whether scrolling should be smooth (smooth
) or immediate (auto
).
behavior
the default value of the property is auto
.
each time the button is clicked, the method is called on the element we set the ref attribute to scrollintoview()
, and that element becomes visible to the user.
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