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1. Adds Event listeners to HTML element... Adds Event listeners to HTML elements and safely removes them

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   export function bind(target, { type, listener, options }) {

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     target.addEventListener(type, listener, options);

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     return function unbind() {

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       target.removeEventListener(type, listener, options);

2. A complete guide to check data types... A complete guide to check data types in JavaScript

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   function getType(obj) {

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     const lowerCaseTheFirstLetter = (str) => str[0].toLowerCase() + str.slice(1);

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     const type = typeof obj;

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     if (type !== 'object') {

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       return type;