Change the width of a search field:
document.getElementById("mySearch").size = "50";
Click the button to change the width of the search field.
<!DOCTYPE html> <html> <body> Search: <input type="search" id="mySearch"> <button onclick="myFunction()">Test</button> <script> function myFunction() {//from w w w. j a v a 2s . c o m document.getElementById("mySearch").size = "50"; } </script> </body> </html>
The size property sets or gets the size attribute of a search field.
The size attribute specifies the width of a search field in number of characters.
The default value is 20.
The size property accepts and returns a boolean type value.