ShaileshPrajapati-BTC

1 Write a JavaScript function to check whether an `input` is an array or not.
2 Write a JavaScript function to clone an array.
3. Write a JavaScript function to get the first element of an array. Passing a parameter 'n' will return the first 'n' elements of the array.
  Test Data : 
  console.log(first([7, 9, 0, -2])); 
  console.log(first([],3));
  console.log(first([7, 9, 0, -2],3));
  console.log(first([7, 9, 0, -2],6));
  console.log(first([7, 9, 0, -2],-3));
  Expected Output : 

ShaileshPrajapati-BTC

1 Write a JavaScript program to create a new string adding "Py" in front of a given string. If the given string begins with "Py" then return the original string.
2 Write a JavaScript program to create a new string from a given string changing the position of first and last characters. The string length must be greater than or equal to 1
3 Write a JavaScript program to check if the last digit of the three given positive integers is the same.
4 Write a JavaScript program to reverse a given string.
5 Write a JavaScript program to rotate the elements left of a given array of integers of length 3.
6 Write a JavaScript program to find the larger value between the first or last and set all the other elements with that value.
7 Write a JavaScript program to find the number which appears most in a given array of integers.
8 Write a JavaScript program to find the number of times to replace a given number with the sum of its digits until it converts to a single digit number.
9 Write a JavaScript program to check whether

ShaileshPrajapati-BTC

const student = {
    firstname: 'Shailesh',
    lastname: 'Prajapati',
    country: 'India'
};

// Object Destructuring
const { firstname, lastname, country } = student;

console.log(firstname, lastname, country); // Glad Chinda Nigeria

ShaileshPrajapati-BTC

const animals = [
    {
        "name": "cat",
        "size": "small",
        "weight": 5
    },
    {
        "name": "dog",
        "size": "small",
        "weight": 10

ShaileshPrajapati-BTC

import React,{Component} from 'react';
import {
  Animated,
  Easing
} from 'react-native';

export default class Pulse extends Component {
  constructor(props) {
    super(props);
    this.pulseValue = new Animated.Value(0)

ShaileshPrajapati-BTC

Todo.all.each do |todo|
  unless todo.name.nil?
    todo.update(name: todo.name.strip)
  else
    todo.destroy
  end
end

AgencyUser.all.each do |agency|
  category = Category.create(name: 'Caregiver Personal Care', agency_user_id: agency.id)

ShaileshPrajapati-BTC

import React,{Component} from 'react';
import {
  View,
  Button
} from 'react-native';       
import ToastModule from 'react-native-android-toast';

export default class ToastDemo extends Component {
  showToast = () =>{
    ToastModule.show("Hello World");

ShaileshPrajapati-BTC

{
"dependencies": {
    "babel-plugin-transform-remove-console": "^6.8.5",
    "moment-timezone": "^0.5.13",
    "native-base": "2.3.3",
    "react": "16.0.0-alpha.12",
    "react-native": "0.48.0",
    "react-native-android-toast": "file:../"
    }
  }

ShaileshPrajapati-BTC

import {NativeModules} from 'react-native';
module.exports = NativeModules.ToastModule;

ShaileshPrajapati-BTC

package com.toast;
 
import com.facebook.react.ReactPackage;
import com.facebook.react.bridge.JavaScriptModule;
import com.facebook.react.bridge.NativeModule;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.uimanager.ViewManager;
 
import java.util.ArrayList;
import java.util.Collections;