G-MontaG

function backwardsPath(element, root) {
    const path = [];
    let current = element;

    while (current.parentNode) {
        const index = [...current.parentNode.children].indexOf(current);
        path.push(index);
        current = parentNode;
    }

G-MontaG

function throttle(fn, time, ...args) {
    let id;
    return function() {
        if (id) return;
        id = setTimeout(() => {
            fn.apply(this, args);
            id = null;
        }, time);
    }
}

G-MontaG

function debounce(fn, time, ...args) {
    let id;
    return function() {
        if (id) clearTimeout(id);
        id = setTimeout(() => {
            fn.apply(this, args);
            id = null;
        }, time);
    }
}

G-MontaG

function bind(fn, context, ...args) {
    return function() {
        return fn.apply(context, args);
    }
}

const foo = function (param) {
    console.log('Context:', this.bar);
    console.log('Params:', param);
}

G-MontaG

function flatten(arr) {
    return arr.reduce((acc, item) => {
        if (Array.isArray(item)) {
            acc = acc.concat(flatten(item));
        } else {
            acc.push(item);
        }
        return acc;
    }, []);
}

G-MontaG

function removeDuplicateWithCaseSensitive(string) {
    const arrayOfWords = string.split(' ');
    const mapOfWords = {};
    return arrayOfWords.reduce((newString, word) => {
        const lowerCasedWord = word.toLowerCase();
        if (mapOfWords[lowerCasedWord]) return newString;
        mapOfWords[lowerCasedWord] = word;
        return `${newString} ${word}`;
    }, '');
}

G-MontaG

function removeDuplicates(string) {
    const arrayOfWords = string.split(' ');
    const mapOfWords = {};
    return arrayOfWords.reduce((newString, word) => {
        if (mapOfWords[word]) return newString;
        mapOfWords[word] = true;
        return `${newString} ${word}`;
    });
}

G-MontaG

// reimplemented pull
const without = (arr, ...values) => {
	return arr.filter((item) => {
		return values.indexOf(item) < 0;
	});
};

const arr = ['a', 'b', 'c', 'a', 'b', 'c'];

console.log('Lodash pull: ', _.without(['a', 'b', 'c', 'a', 'b', 'c'], 'a', 'c'));