Panel-ready Frontend Master questions for freshers and experienced developers. Practice at Coding Cadre in Faridabad, or Online from Delhi NCR.
Falsy values are false, 0, empty string, null, undefined, and NaN.
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Spread copies enumerable properties into a new object or array, which we use to update state immutably.
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200 means success so I render the data.
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It turns a JS value into a JSON string for APIs or localStorage.
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It stops the browser's default action, like following a link or submitting a form.
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Map returns a new array of transformed items and is the React list pattern.
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