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function Plant(name) { 
  this.name = name;
};

Plant.prototype.height = 0;

Plant.prototype.grow = function() {
  this.height += 1;
};

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var diff = function (obj1, obj2) {

    // Make sure an object to compare is provided
    if (!obj2 || Object.prototype.toString.call(obj2) !== '[object Object]') {
        return obj1;
    }

    //
    // Variables
    //

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var deepDiffMapper = function() {
  return {
    VALUE_CREATED: 'created',
    VALUE_UPDATED: 'updated',
    VALUE_DELETED: 'deleted',
    VALUE_UNCHANGED: 'unchanged',
    map: function(obj1, obj2) {
      if (this.isFunction(obj1) || this.isFunction(obj2)) {
        throw 'Invalid argument. Function given, object expected.';
      }

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componentDidUpdate(prevProps, prevState) {
  Object.entries(this.props).forEach(([key, val]) =>
    prevProps[key] !== val && console.log(`Prop '${key}' changed`)
  );
  Object.entries(this.state).forEach(([key, val]) =>
    prevState[key] !== val && console.log(`State '${key}' changed`)
  );
}

// hook

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/* eslint-disable global-require */
const webpack = require('webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const path = require('path');
const ip = require('ip').address();
const postcssImport = require('postcss-import');
const precss = require('precss');
const postcssClearfix = require('postcss-clearfix');
const postcssCenter = require('postcss-center');
const postcssMath = require('postcss-math');

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/* eslint-disable global-require */
const path = require('path');
const webpack = require('webpack');
const TerserPlugin = require('terser-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CompressionPlugin = require('compression-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const postcssImport = require('postcss-import');
const precss = require('precss');
const postcssClearfix = require('postcss-clearfix');

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import React, { Component } from 'react';

export default function withPropsChecker(WrappedComponent) {
  return class PropsChecker extends Component {
    componentWillReceiveProps(nextProps) {
      Object.keys(nextProps)
        .filter(key => {
          return nextProps[key] !== this.props[key];
        })
        .map(key => {

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const isPalindrome = (string) => {  
  const _string = string.split(' ').join('').toLowerCase(); 
  const reverseString = _string.split('').reverse().join('');
    
  return _string === reverseString;  
}

console.log(isPalindrome('Лазер боре хер обрезал')); // true
console.log(isPalindrome('Карл у Клары украл кораллы')); // false

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traverse = (obj, path, callback) ->
  i = 0

  do (obj) ->
    key = path[i]
    i++

    if typeof obj[key] is 'object'
      arguments.callee obj[key]
    else

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function validate(string) {
    if (string[0] == ')') {
        console.error(string + ' error: string should start with "("');
        return;
    }
    
    if (string.length % 2 !== 0) {
        console.error(string + ' error: bracket number should be even');
        return;
    }