var oFlag = document.getElementById('flag');var oDiv = document.getElementById('node');//鼠标移入事件oDiv.onmouseover = function() {oFlag.style.display = 'block';}//鼠标移出事件oDiv.onmouseout = function() {oFlag.style.display = 'none';}
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时间:2020-05-31 03:38:22
var oFlag = document.getElementById('flag');var oDiv = document.getElementById('node');//鼠标移入事件oDiv.onmouseover = function() {oFlag.style.display = 'block';}//鼠标移出事件oDiv.onmouseout = function() {oFlag.style.display = 'none';}