For mobile Chrome:
- Create a new bookmark
- Replace the bookmarked link with the bookmarklet javaScript code, e.g., javascript:alert('hello world')
- To use the bookmarklet, start typing the bookmark name in the address bar until the auto-complete displays the bookmark, and then click on it.
For mobile Safari,
- Create a new bookmark and replace the URL with your javaScript code
- To use the bookmarklet, tap on the bookmarklet name from the bookmarks menu
(The edit was to better format my comment)
For mobile Chrome:
- Create a new bookmark
- Replace the bookmarked link with the bookmarklet javaScript code, e.g., javascript:alert('hello world')
- To use the bookmarklet, start typing the bookmark name in the address bar until the auto-complete displays the bookmark, and then click on it.
For mobile Safari,
- Create a new bookmark and replace the URL with your javaScript code
- To use the bookmarklet, tap on the bookmarklet name from the bookmarks menu
(The edit was to better format my comment)