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How to check if a document is ready in JavaScript?
Following is the code to check if a document is ready 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: 18px; font-weight: 500; color: blueviolet; } </style> </head> <body> <h1>Check if a document is ready</h1> <div class="result"></div> <button class="Btn">Check</button> <h3>Click on the above button to see document state</h3> <script> let resEle = document.querySelector(".result"); let BtnEle = document.querySelector(".Btn"); resEle.innerHTML = document.readyState + "<br><br>"; BtnEle.addEventListener("click", () => { if (document.readyState === "complete") { resEle.innerHTML = "The page has finished loading completely"; } else { resEle.innerHTML = "The page is still loading"; } }); </script> </body> </html>
Output
On clicking the ‘Check’ button −
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