The problem with your latter post is that indexOf returns (-1) when the substring is not found. <BR><BR>-1 == true<BR><BR>Instead test if the indexOf ("index2.htm") > -1.

Disable JavaScript here to get rid of it in Google Chrome on Android. On the same page, you can tap Add Site Exception, type the URL, and hit Add to allow JavaScript to run on specific websites.

To block Javascript on all sites in Safari on your Mac, you can go to the Safari menu > Settings > Security and uncheck Enable JavaScript. On your iPhone, this setting is available under Settings ...