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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                鼠標進入和鼠標移出事件 ## onmouseenter 鼠標進入 ## ## onmouseleave 鼠標移出事件 任意節點(標簽)都可以給他們添加鼠標進入和移出事件。 <br/> ## 語法 注意:變量名稱為獲取節點樣式的變量名稱 ``` 變量名稱.onmouseleave=function(){ } ``` ``` 變量名稱.onmouseenter=function(){ } ``` ### 代碼使用順序 ### 先獲取ID選擇器 ### 再綁定鼠標進入或者移除出事件。 ``` /獲取圖片 var tu=document.getElementById("tu"); var fugai=document.getElementById("fugai1"); var tu1=document.getElementById("tu1"); //綁定圖片事件 tu.onmouseenter=function(){ //鼠標進入 fugai.style.display="block"; tu1.src="./img/2.jpg"; } tu.onmouseleave=function(){ fugai.style.display="none"; tu1.src="./img/1.jpg"; } ``` 淘寶效果: ``` <!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> *{ padding: 0; margin: 0; } a{ text-decoration:none; color:black; } .lunbotu{ width:658px; height:206px; border:2px solid red; margin:100px auto; position:relative; } .lunbotu .fugai{ width:658px; height:206px; background-color:rgba(255, 0, 0, 0.6); position:absolute; left:0; top:0; display:none; } .lunbotu .fugai .dianji{ width: 75px; height: 25px; background-color:chartreuse; border-radius: 5px; position:absolute; left:50%; margin-left:-37.5px; top:50%; margin-top:-12.5px; } .lunbotu .fugai .dianji .baidu{ display: block; text-align: center; } </style> </head> <body> <div class="lunbotu" id="tu"> <img src="./img/1.jpg" alt="" id="tu1"> <div class="fugai" id="fugai1"> <div class="dianji"> <a class="baidu" href="https://www.baidu.com">點擊查看</a> </div> </div> </div> </body> </html> <script type="text/javascript"> //獲取圖片 var tu=document.getElementById("tu"); var fugai=document.getElementById("fugai1"); var tu1=document.getElementById("tu1"); //綁定圖片事件 tu.onmouseenter=function(){ //鼠標進入 fugai.style.display="block"; tu1.src="./img/2.jpg"; } tu.onmouseleave=function(){ fugai.style.display="none"; tu1.src="./img/1.jpg"; } </script> ```
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