myogeshchavan97

const user = { name: 'David', age: 30, city: 'New York'};
const copy = {...user};
console.log(copy);

myogeshchavan97

const user = { name: 'David', age: 30, city: 'New York'};
const copy = Object.assign({}, user);
console.log(copy);

myogeshchavan97

const user = { name: 'David', age: 30, city: 'New York' };

const updateUser = function(updates) {
 return { ...user, ...updates };
};

const updatedUser = updateUser({ age: 34, city: 'Boston'});
console.log(updatedUser);

myogeshchavan97

git grep -n $'require([\'"]express[\'"]'

myogeshchavan97

git grep $'\.http_mode'

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grep -rn src/routes -e NavLink

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[{
    "name":"Joker",
    "release_date":"2019-10-02",
    "director": "Todd Phillips",
    "image": "https://upload.wikimedia.org/wikipedia/en/e/e1/Joker_%282019_film%29_poster.jpg",
    "description": "During the 1980s, a failed stand-up comedian is driven insane and turns to a life of crime and chaos in Gotham City while becoming an infamous psychopathic crime figure."
},
{
    "name":"Frozen 2",
    "release_date":"2019-11-20",

myogeshchavan97

const validateEmail = email => /^[^@ ]+@[^@ ]+\.[^@ \.]+$/.test(email);
const isValidEmail = function(value) {
    if (validateEmail(value)) {
        return true;
    } else {
        return "Please enter a valid email address";
    }
}

let isValid = isValidEmail('abc@gmail.com');

myogeshchavan97

const validateEmail = email => /^[^@ ]+@[^@ ]+\.[^@ \.]+$/.test(email);
const isValidEmail = value => validateEmail(value) || 'Please enter a valid email address.';

let isValid = isValidEmail('abc@gmail.com');
console.log(isValid); // true
isValid = isValidEmail('abc@@gmail.com');
console.log(isValid); // Please enter a valid email address

myogeshchavan97

const isNotEmpty = function(fieldName) {
  return function(fieldValue) {
    if (fieldValue.trim().length > 0) {
      return true;
    } else {
      return fieldName[0].toUpperCase() + fieldName.slice(1) + " is required.";
    }
  };
};