CristalT

$.fn.arrownav = function(options) {
    var settings = $.extend({
        focusOnLoad: true
    }, options);
    var curRow = this.children('tr:first-child'),
        r=0;
    if(settings.focusOnLoad) {
        curRow.focus();
    }
    this.children('tr').click(function(){

CristalT

<template>

  <div>
    <input type="file" multiple accept="image/jpeg" @change="detectFiles($event.target.files)">
    <div class="progress-bar" :style="{ width: progressUpload + '%'}">{{ progressUpload }}%</div>
  </div>

</template>

<script>

CristalT

const functions = require('firebase-functions')
const admin = require('firebase-admin')
admin.initializeApp()
const firestore = admin.firestore()

exports.fbProductShare = functions.https.onRequest((req, res) => {
    
    const params = req.query
    const ref = firestore.collection('products').doc(params.id).get()
    ref.then(querySnapshot => {

CristalT

const heros = [
    { label: 'Batman' },
    { label: 'Iron Man' },
    { label: 'Superman' },
    { label: 'Green Lantern' },
    { label: 'Cat Woman' },
    { label: 'Supergirl' },
    { label: 'Aquaman' }
]

CristalT

// replicate an object excepting some items
const hero = {
    name: 'Bruno',
    alterego: 'Batman',
    superpowers: false,
    couching: 8
}

// Way one
const { couching, name, ...collection } = hero

CristalT

// Two Ways To round a number at 2 decimals
const number = 19.5862365

// Way one
let result = Math.round(number * 100) / 100
console.log(result)

// Way two
result = parseFloat(number.toFixed(2)) // parseFloat() to keep number type
console.log(result)

CristalT

// Two ways to remove array duplicates
const array = [1, 2, 3, 4, 4, 4, 5]

// Way 1
let uniq = array.filter((el, index) => array.indexOf(el) === index)
console.log(uniq)

// Way 2
uniq = [...new Set(array)]
console.log(uniq)

CristalT

// Two ways to filter an Array of Objects
const heros = [
    { label: 'Batman' },
    { label: 'Iron Man' },
    { label: 'Superman' },
    { label: 'Green Lantern' }
]

const token = 'Superman'

CristalT

// hypothetical undefined value
const name = undefined

// Way 1:
const firstName1 = name || 'Marcelo'
console.log(firstName1)

// Way 2:
const firstName2 = name ? name : 'Marcelo'
console.log(firstName2)

CristalT

import { QUploaderBase } from 'quasar'

export default {
  props: ['refStorage'],
  name: 'FirebaseUploader',
  data () {
    return {
      uploading: '',
      uploadTask: {}