I have this simple HTML file that is to be displayed in a UIWebView.
<html>
<body>
<p>
<input name='search' type='search' placeholder="Input type is search" />
</body>
</html>
Here is the screenshot when I clicked the input box.
How to change the Return button to 'Search' like Google page does?
I found a simple solution. Just wrap the input with form tag so the HTML looks like this.
<html>
<body>
<p>
<form>
<input name='search' type='search' placeholder="Input type is search" />
</form>
</body>
</html>
And now the keyboard looks like
Looking in the reference: Text Programming Guide for iOS and I can see that the type search isn't an option, so I think that Safari handle that with a different way. Maybe with a custom inputview. Take a look in my answer to do that.
You have to select the textfield & in identity inspector you select search shown in pic below :
来源：https://stackoverflow.com/questions/20320696/how-to-change-keyboard-button-return-to-search-for-input-in-a-uiwebview