通过javascript获取元素position

2024-10-19 03:34:32

function getOffset( el ) {

    var _x = 0;

    var _y = 0;

    while( el && !isNaN( el.offsetLeft ) && !isNaN( el.offsetTop ) ) {

        _x += el.offsetLeft - el.scrollLeft;

        _y += el.offsetTop - el.scrollTop;

        el = el.offsetParent;

    }

    return { top: _y, left: _x };

}

var x = getOffset( document.getElementById('yourElId') ).left;

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