questionAndAnswers.js

export const questionAndAnswers = {
    map: [
        {
            q: "What does map do?",
            a: "Creates a new array populated with the results of calling the provided function on every element."
        },
        {
            q: 'What does map return?',
            a: 'map returns a new array.'
        },
        {
            q: 'What parameters does the map method take?',
            a: 'In most cases, the map method will just take a callback function as an argument.'
        },
        {
            q: 'What parameters does the callback function take?',
            a: `The callback function can take 3 parameters: <br/>
                    (1) the value of the current element<br/>
                    (2) the index of the current element<br/>
                    (3) the array the map method was called on`
        }
    ],
    filter: [
        {
            q: "What does filter do?",
            a: "Returns an array with only the elements from the original array for which the callback function returns true."
        },
        {
            q: 'What does filter return?',
            a: 'filter returns an array.'
        },
        {
            q: 'What parameters does the filter method take?',
            a: 'In most cases, the filter method will just take a callback function as an argument.'
        },
        {
            q: 'What parameters does the callback function take?',
            a: `The callback function can take 3 parameters: <br/>
                    (1) the value of the current element<br/>
                    (2) the index of the current element<br/>
                    (3) the array the filter method was called on`
        }
    ],
    find: [
        {
            q: "What does find do?",
            a: "Returns the first element for which the callback function returns true, or undefined if none are found."
        },
        {
            q: 'What does find return?',
            a: 'find returns a single element from the array. For example, if we have an array of strings, find will return a string.'
        },
        {
            q: 'What parameters does the find method take?',
            a: 'In most cases, the find method will just take a callback function as an argument.'
        },
        {
            q: 'What parameters does the callback function take?',
            a: `The callback function can take 3 parameters: <br/>
                    (1) the value of the current element<br/>
                    (2) the index of the current element<br/>
                    (3) the array the filter method was called on`
        }
    ],
    findIndex: [
        {
            q: "What does findIndex do?",
            a: "Returns the index of the first element for which the callback function returns true, or undefined if none are found."
        },
        {
            q: 'What does findIndex return?',
            a: 'findIndex returns a number which represents an index in the array.'
        },
        {
            q: 'What parameters does the findIndex method take?',
            a: 'In most cases, the findIndex method will just take a callback function as an argument.'
        },
        {
            q: 'What parameters does the callback function take?',
            a: `The callback function can take 3 parameters: <br/>
                    (1) the value of the current element<br/>
                    (2) the index of the current element<br/>
                    (3) the array the filter method was called on`
        }
    ],
    findLast: [
        {
            q: "What does findLast do?",
            a: "Returns the last element for which the callback function returns true, or undefined if none are found."
        },
        {
            q: 'What does findLast return?',
            a: 'findLast returns a single element from the array. For example, if we have an array of strings, find will return a string.'
        },
        {
            q: 'What parameters does the findLast method take?',
            a: 'In most cases, the findLast method will just take a callback function as an argument.'
        },
        {
            q: 'What parameters does the callback function take?',
            a: `The callback function can take 3 parameters: <br/>
                    (1) the value of the current element<br/>
                    (2) the index of the current element<br/>
                    (3) the array the filter method was called on`
        }
    ],
    findLastIndex: [
        {
            q: "What does findLastIndex do?",
            a: "Returns the index of the last element for which the callback function returns true, or undefined if none are found."
        },
        {
            q: 'What does findLastIndex return?',
            a: 'findLastIndex returns a number which represents an index in the array.'
        },
        {
            q: 'What parameters does the findLastIndex method take?',
            a: 'In most cases, the findLastIndex method will just take a callback function as an argument.'
        },
        {
            q: 'What parameters does the callback function take?',
            a: `The callback function can take 3 parameters: <br/>
                    (1) the value of the current element<br/>
                    (2) the index of the current element<br/>
                    (3) the array the filter method was called on`
        }
    ],
    forEach: [
        {
            q: "What does forEach do?",
            a: "Executes the callback function once for each array element."
        },
        {
            q: 'What does forEach return?',
            a: 'forEach only returns undefined.'
        },
        {
            q: 'What parameters does the forEach method take?',
            a: 'In most cases, the forEach method will just take a callback function as an argument.'
        },
        {
            q: 'What parameters does the callback function take?',
            a: `The callback function can take 3 parameters: <br/>
                    (1) the value of the current element<br/>
                    (2) the index of the current element<br/>
                    (3) the array the filter method was called on`
        }
    ]
};