susanahernandezd

function isJSON(str) {
   try {
      return (JSON.parse(str) && !!str);
   } catch (e) {
      return false;
   }
}

susanahernandezd

<style>

.page-loader {
  background: #fff;
  position: fixed;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  z-index: 9998;

susanahernandezd

//Array splice()
var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.splice(2, 0, "Lemon", "Kiwi");

susanahernandezd

//Preprocess files from a folder
preprocess: {
  options: {
      context: {
        DEBUG: false,
        JSVERSION : '<%= globalConfig.versionjs  %>'
      }
  },
  html: {
    files: [{

susanahernandezd

npm install

susanahernandezd

node -v

susanahernandezd

//save as a 'devDependencies'
npm install <module> --save-dev

//save as a 'dependencies'
npm install <module> --save

susanahernandezd

var dt = moment('09/03/2018', "YYYY-MM-DD HH:mm:ss")
//Day of the week
dt.moment().format('d');

//Returns
5

susanahernandezd

moment().format('DD/MM/YYYY');

susanahernandezd

var numbers = ['uno', "dos", "tres", "cuatro"];

numbers.map(function(val, i) {
    console.log(i,val);
}).get();