"object keys includes some key" Code Answer's

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typescript check if object has key

By NateNate on Jun 21, 2020 
if ('key' in myObj)

Source: stackoverflow.com

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4

object keys includes some key

By Jolly JellyfishJolly Jellyfish on Feb 04, 2021 
var obj = {
    test: "",
    locals: {
        test: "",
        test2: false,
        test3: NaN,
        test4: 0,
        test5: undefined,
        auth: {
            user: "hw"
        }
    }
}

keyExistsOn(obj, "")
> false
keyExistsOn(obj, "locals.test")
> true
keyExistsOn(obj, "locals.test2")
> true
keyExistsOn(obj, "locals.test3")
> true
keyExistsOn(obj, "locals.test4")
> true
keyExistsOn(obj, "locals.test5")
> true
keyExistsOn(obj, "sdsdf")
false
keyExistsOn(obj, "sdsdf.rtsd")
false
keyExistsOn(obj, "sdsdf.234d")
false
keyExistsOn(obj, "2134.sdsdf.234d")
false
keyExistsOn(obj, "locals")
true
keyExistsOn(obj, "locals.")
false
keyExistsOn(obj, "locals.auth")
true
keyExistsOn(obj, "locals.autht")
false
keyExistsOn(obj, "locals.auth.")
false
keyExistsOn(obj, "locals.auth.user")
true
keyExistsOn(obj, "locals.auth.userr")
false
keyExistsOn(obj, "locals.auth.user.")
false
keyExistsOn(obj, "locals.auth.user")
true

Source: stackoverflow.com

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0

object keys includes some key

By Jolly JellyfishJolly Jellyfish on Feb 04, 2021 
var keyExistsOn = (o, k) => k.split(".").reduce((a, c) => a.hasOwnProperty(c) ? a[c] || 1 : false, Object.assign({}, o)) === false ? false : true;

Source: stackoverflow.com

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0

js object contain key

By Weary WombatWeary Wombat on Dec 28, 2020 
if ('key' in myObj)
// better
if (!myObj.hasOwnProperty('key'))

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-2

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TypeScript answers related to "object keys includes some key"

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TypeScript queries related to "object keys includes some key"

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