// 获取左边 function getElementLeft(element){ var actualLeft = element.offsetLeft; var current = element.offsetParent; while (current !== null){ actualLeft += current.offsetLeft; current = current.offsetParent; } return actualLeft; } // 获取顶部 function getElementTop(element){ var actualTop = element.offsetTop; var current = element.offsetParent; while (current !== null){ actualTop += current.offsetTop; current = current.offsetParent; } return actualTop; }
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