Type checking in JavaScript using typeof operator
In javascript, the typeof operator is used to find the data type of the operand.
typeof operator examples
console.log(typeof 4 ) // "number"
console.log(typeof {} )// "object"
console.log(typeof "hello")// "string"
console.log(typeof [ 1,2,3,4,5]) // "object"
console.log(typeof function(){} ) // "function"
console.log(typeof undefined ) // 'undefined'typeof operator returns the datatype in the “string” format.
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