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Checking if a value exists in JavaScript Object

Learning JSX here and I was wondering if theres a way to check if a value appears in a object in JavaScript

ie We have an obj : anObj ={ myFoo: "MONDAY;TUESDAY;WEDNESDAY" }

How could I check if monday etc appears in this object?

You can find the value in Object.values with.includes()

let valueExists = Object.values(obj).includes("value you looking for");

You can check in the values array

const valuesArray=Object.values(anyObj);
console.log(valuesArray.some((value)=>value.includes('monday'))

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