<!DOCTYPE html> <html> <head> </head> <body> <p id="demo"></p> <p>With the debugger turned on, the code below should stop executing before it executes the third line.</p> <script> var x = 15 * 5; debugger; document.getElementById("demo").innerHTML = x; </script> </body> </html>
<!DOCTYPE html> <html> <body> <h1>My First Web Page</h1> <script> a = 5; b = 6; c = a + b; console.log(c); </script> </body> </html>
須要在Chrome 頁面的 source 下面的 Event Listener Breakpoints 下面的DOM Mutation 下面 DOMContentLoaded 選擇。html