ArrayLike (AL06)
1: function mapArrayLike(arrayLike, callback) {
2: const result = [];
3: for (let i = 0; i < arrayLike.length; i++) {
4: result.push(callback(arrayLike[i], i, arrayLike)); // Similar signature to Array.map()'s callback
5: }
6: return result;
7: }
8:
9: const nodeList = document.querySelectorAll('p');
10: const textContent = mapArrayLike(nodeList, node => console.log(node));
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Custom Helper Function with call(): custom mapArrayLike function that uses call() to apply a callback to elements within an array-like object, enhancing functionality by mimicking the behavior of map() for array-like objects without requiring a full array conversion.
ArrayLike context:
ES6 context:
- (2024) Notes about JS Closures. #ES6
- (2024) Notes about Javascript asynchronous programming. #ES6
- (2022) Modern Javascript books #ES6 #Doc
- (2021) JS learning start point #ES6
- (2021) Maximilian Schwarzmüller Javascript lecture #ES6
- (2021) Javascript interview question from Happy Rawat #ES6
- (2021) Javascript tests #ES6
- (2016) New unique features of Javascript (updated). #ES6
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