假如我要運行如下代碼:html
1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8"> 5 <title>if...else語句</title> 6 </head> 7 <body> 8 <script> 9 var score = 60.5; 10 if (score >= 60) { 11 document.write("恭喜你順利經過測試!") 12 } 13 else { 14 document.write("很是遺憾,請補考!") 15 } 16 </script> 17 </body> 18 </html>
運行結果以下:瀏覽器
如何在瀏覽器中斷點看運行過程:測試
第一步:右擊空白【】、【檢查】、【Sources】、後面步驟請看下面gif視頻:spa