Evernote suppress ctrl+s/cmd+s

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Evernote suppress ctrl+s/cmd+s",
  "version": "1.1",
  "description": "Prevents opening the browser save dialog when pressing ctrl+s or cmd+s at the Evernote website.",
  "manifest_version": 2,
  "content_scripts": [
    {
      "matches": [
        "https://www.evernote.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ]
}