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[n1kko777]

Here is a JavaScript function that maps an array of strings to lowercase first letter:

javascript
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function mapArrayToLowercaseFirstLetterarr {
return arr.mapstr => {
const lowercaseFirstLetter = str.charAt0.toLowerCase + str.slice1;
return lowercaseFirstLetter;
};
}
Here's an example usage:

javascript
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const inputArray = "Apple", "Banana", "Orange";
const mappedArray = mapArrayToLowercaseFirstLetterinputArray;
console.logmappedArray;
// Output: "apple", "banana", "orange"