文字数をカウントします。
MojiLen Application
Source Manifest.json
{"update_url": "https://clients2.google.com/service/update2/crx",\t"manifest_version": 2,\t"name": "MojiLen",\t"version": "0.1", \t"description": "\u6587\u5b57\u6570\u3092\u30ab\u30a6\u30f3\u30c8\u3057\u307e\u3059\u3002",\t"icons": { "128": "icon/128.png"\t}, "app" : { "background" : { "scripts" : ["js/event_page.js"] } }}
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