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The debugger statement in JavaScript
The debugger statement in JavaScript is used for setting a breakpoint in the code. The code stops execution as soon as it encounters the debugger statement and calls the debugger function (if available).
Following is the code to implement debugger statement in JavaScript −
Example
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>Document</title> <style> body { font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif; } .result { font-size: 20px; font-weight: 500; color: blueviolet; } </style> </head> <body> <h1>Debugger statement in JavaScript.</h1> <div class="result"></div> <br /> <button class="Btn">CLICK HERE</button> <h3>Click on the above button to call the printTable() function</h3> <script> let resEle = document.querySelector(".result"); let BtnEle = document.querySelector(".Btn"); function printTable(num) { for (let i = 1; i <= 10; i++) { debugger; resEle.innerHTML += i + " "; } } BtnEle.addEventListener("click", () => { printTable(); }); </script> </body> </html>
Output
On clicking the ‘CLICK HERE’ button and opening the debugger −
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