mousemove触发时会发生冒泡,子元素也会触发事件
mouseenter不出触发事件冒泡,对应mouseleave
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <style> .father { width: 200px; height: 200px; background-color: pink; } .son { width: 100px; height: 100px; background-color: yellow; } </style> </head> <body> <div class="father"> <div class="son"></div> </div> <script> var father = document.querySelector('.father'); //mouseover会发生冒泡,移动到子元素的时候也会触发事件 //mouseenter 不会发生冒泡 father.addEventListener('mouseenter',function(){ console.log('11'); }) </script> </body> </html>