Javascript JSON data manipulation- How can you access first, last name properties in data object using the following snippet?

var data={"users":[

{

"firstName":"Ali",

"lastName":"Rehman",

"birthday": {

"month":"January",

"day":20,

"year":1983

}

}

]}

Which are structural patterns?

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Which represents when an Array object returns a string representing the array and its elements?

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What's the output? if (new Boolean(false)) console.log('True'); else console.log('False');

Read the following function : function custom_indexOf( array, value ){ for(var i = 0; i < array.length; i++){ if(array[i] == value) return i; } } The property 'length' of array is calculated at every loop beginning (true or false)

Consider the following variable assignments: var a = 1; var b = 2; var r = a | b; The value of r is:

console.log(3%2&1); The console displays:

A javascript variable prefixed with a $ is: