(Function (global) { const elementHandler = fn

Question

(Function (global) { const elementHandler = fn

=>
function (...args) {
this.elements.forEach(elem =>
fn(...args, elem));
return this;
};

const features = {
on: elementHandler((eventName, handler, element) =>
element.addEventListener(eventName, handler))
};

global.$ = selector =>
Object.create(features, {
elements: {
value: document.querySelectorAll(selector)
}
});

})(typeof window !== 'undefined' ? window : this)

0

19.07.2018

1 ответов

9 просмотров

Thomas · Accepted Answer

Thomas

I would probably flip the argument order tbh: const each = fn => function (...args) { this.elements.forEach(elem => fn(elem, ...args)); return this; };

0

19.07.2018

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