jQuery attr()
get attribute value
<!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"> </script>/* w w w. j av a 2 s. com*/ <script> $(document).ready(function(){ $("button").click(function(){ document.getElementById("demo").innerHTML = "Image width: " + $("img").attr("width"); }); }); </script> </head> <body> <p id="demo"></p> <img src="image4.png" alt="image4.png" width="284" height="213"><br> <button>Return the width of the image</button> </body> </html>