reading Javascript object

Question

I have the following object in JavaScript that I capture from the console window:

Object
    action: "android.intent.action.SEND"
    clipItems: Array[1]
    component: "ComponentInfo{com.reunion.family/com.reunion.family.MainActivity}"
    extras: Object
        android.intent.extra.SUBJECT: "Adam Harris"
        android.intent.extra.TEXT: "http://www.adamwadeharris.com/setup-remote-debugging-phonegap/"
        share_screenshot_as_stream: "content://com.android.chrome.FileProvider/images/screenshot/1472164245526-1842859201.jpg"
        __proto__: —
    flags: 318767105
    type: "text/plain"
    __proto__: —

I can read the outer fields just find and the clipItems object without a issue. However the extras object I'm having a issue reading the "android.intent.extra.TEXT" and " android.intent.extra.SUBJECT" fields. the object that I wrote out to the console is called: intent

console.log(intent);

so I tried:

intent.android.intent.extra.TEXT
intent.extra.TEXT

but keep gettng a error message :

Error in Success callbackId: IntentPlugin1397752597 : TypeError: Cannot read property 'intent' of undefined

so i must be missing something.

any help would be great.

Barmar · Accepted Answer · 2016-08-25 22:51:48Z

2

You can't use . to access a property name that isn't a valid identifier. Since the property name contains . characters, which are used as delimiters between nested properties, you can't use . to access the property itself. You have to use [] to access it.

intent.extras["android.intent.extra.SUBJECT"]

edited Aug 25, 2016 at 22:51

answered Aug 25, 2016 at 22:46

Barmar

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4 Comments

Richard Schneider Over a year ago

shouldn't it be intent.extras["android.intent.extra.SUBJECT"]?

Barmar Over a year ago

It's not clear what the variable intent contains. I guessed it was already pointing to the extras object, since he didn't use extras in any of his tries.

Barmar Over a year ago

Oops, now I see that he said that intent is the object he wrote to the console.

Mike Over a year ago

@Barmar, Thank you that was it, and thank you for the nice explanation

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