Bruno questions

• Javascript code not accepted by validator (JSHint)
• Resize content of HTML image markup with PHP
• Class menu in Tkinter Gui
• Change size of blank line in HTML
• Change content of a webpage dynamically with a Firefox extension using Javascript without Greasemonkey
• Get the list of attributes of a HTML string using Javascript
• Extract keyword from Google search in Javascript
• Create Internet Explorer extension changing content of a webpage
• How to empty the content of a div
• Check if a JavaScript string is a URL

Bruno answers