標籤：警告 document htm rip write utf-8 type body charset
1 <!DOCTYPE html> 2 <html> 3 4 <head> 5 <meta charset="UTF-8"> 6 <title></title> 7 <!-- 8 描述：JS代碼需要編寫到script標籤中 9 -->10 <script type="text/javascript">11 //控制瀏覽器彈出一個警告框12 alert("這是我的第一行JS代碼");13 14 //可以向body中輸出一個內容15 document.write("看我出不出來");16 17 //向控制台輸出一個內容18 console.log("你猜我在哪裡出來呢");19 </script>20 </head>21 22 <body>23 </body>24 25 </html>
JS基礎_JS的HelloWorld
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