Here I am working with chrome extension development.
my manifest.json page as show
{
"name": "DemoExtension",
"version": "1.0",
"description": "Official addon from demeo",
"browser_action": {
"default_icon": "star-on.png",
"popup": "shopcmp.htm"
},
"permissions": [
"tabs"
],
"background_page": "background.html"
}
Here I want to change my default icon image at runtime.