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isDisplayedInViewport

Return true if the selected DOM-element found by given selector is partially visible and within the viewport.

Usage

$(selector).isDisplayedInViewport()

Examples

<div id="notDisplayed" style="display: none"></div>
<div id="notVisible" style="visibility: hidden"></div>
<div id="notInViewport" style="position:absolute; left: 9999999"></div>
<div id="zeroOpacity" style="opacity: 0"></div>

it('should detect if an element is visible', () => {
    let isDisplayedInViewport = $('#notDisplayed').isDisplayedInViewport();
    console.log(isDisplayedInViewport); // outputs: false

    isDisplayedInViewport = $('#notVisible').isDisplayedInViewport();
    console.log(isDisplayedInViewport); // outputs: false

    isDisplayedInViewport = $('#notExisting').isDisplayedInViewport();
    console.log(isDisplayedInViewport); // outputs: false

    isDisplayedInViewport = $('#notInViewport').isDisplayedInViewport();
    console.log(isDisplayedInViewport); // outputs: false

    isDisplayedInViewport = $('#zeroOpacity').isDisplayedInViewport();
    console.log(isDisplayedInViewport); // outputs: false
});