<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <style> *{ margin: 0; padding: 0; } .father{ width: 300px; height: 300px; background: red; } .son{ width: 150px; height: 150px; background: blue; } </style> </head> <body> <div class="father"> <div class="son"></div> </div> <script type="text/javascript"> /*
1.onmouseover和onmouseenter的区别
onmouseover移入到子元素,父元素的移入事件也会被触发
onmouseenter移入到子元素,父元素的移入事件不会被触发
*/ /*
2.onmouseout和onmouseleave的区别
onmouseout移出到子元素,父元素的移入事件也会被触发
onmouseleave移出到子元素,父元素的移入事件不会被触发
*/ let oFDiv = document.querySelector(".father"); let oSDiv = document.querySelector(".son"); /*oFDiv.οnmοuseοver=function()
{
console.log("father");
}
oSDiv.οnmοuseοver=function()
{
console.log("666");
}*/ /* oFDiv.onmouseenter = function () {
console.log("father");
}
oSDiv.onmouseenter = function () {
console.log("son");
}*/ /*oFDiv.οnmοuseleave=function()
{
console.log("father");
}
oSDiv.οnmοuseleave=function()
{
console.log("son");
}*/ </script> </body> </html>
onmouse各种问题与解决方案
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