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How to remove first element of an array in JavaScript?

Removing the first element. To remove the first element of an array, we can use the built-in shift () method in JavaScript. Here is an example: const fruits = ["apple", "banana", "grapes"]; fruits.shift(); console.log(fruits); Note: The shift () method also returns the removed element. Similarly, we can also remove the first element of an array ...

How to convert an array into an object using JavaScript?

const arrayToObject1 = (arr, key) => { return arr.reduce((obj, item) => { obj[item[key]] = item return obj }, {}) } In this above code snippet, we have used the reduce function which will basically traverse through the array once and then accumulate the array values into a single object and then return the result at every step.


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