Use the wordWrap property in JavaScript to allow long words to be broken and wrap to the next line.
Example
You can try to run the following to learn how to work with wordWrap property −
<!DOCTYPE html> <html> <head> <style> #box { width: 150px; height: 150px; background-color: lightblue; border: 1px solid black; } </style> </head> <body> <button onclick = "display()">Set</button> <div id = "box"> ThisisDemoText.ThisisDemoText.ThisisDemoText.ThisisDemoText.Thisis DemoText.ThisisDemoText. </div> <script> function display() { document.getElementById("box").style.wordWrap = "break-word"; } </script> </body> </html>