Online compiler for next generation JavaScript.
3D body animation with javascript : Mannequin.js
Mannequin.js is a simple library of an articulated mannequin figure.
Mannequin.js is a simple library of an articulated mannequin figure. The shape of the figure and its movements are done purely in JavaScript. The graphics is implemented in Three.js.
https://boytchev.github.io/mannequin.js/
My sandbox: https://codepen.io/blogbook/pen/gOwgWyJ
Javascript Youtube videos
10 JavaScript Projects in 2 Hours:
Video 7: Debugging in Javascript:
Dollar sign in javascript , ES6 and not jQuery: Template literals
`string text ${expression} string text`
Template literals are enclosed by the backtick!
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals
Javascript ASI – Automatic semicolon insertion
Some JavaScript programmers use semicolons at the end of every statement, and some use them only where strictly required. Most do something in between, and a few even intentionally add extra semicolons as a matter of style.
JavaScript Functions – 4 Ways
VueJs , Javascript cheatsheet
original place https://lenguajejs.com/#vuejs
Vue Cheatsheet https://github.com/murraco/vue-cheatsheet
VueJs info
Vue Router : npm install –save vue-router
Vue Resource HTTP : npm install –save vue-resource
Conditionals (v-if and v-show): https://jsfiddle.net/smax/hoc719j5/
Lists: https://jsfiddle.net/smax/o7uy2g0u/
Official Docs – Conditionals: http://vuejs.org/guide/conditional.html
Official Docs – Lists: http://vuejs.org/guide/list.html
Upwork Javascript Test info
https://www.w3schools.com/jsref/default.asp
JAVASCRIPT TEST 2016 http://upworktesthelp.blogspot.com/2016/10/javascript-test-2016.html
Upwork Javascript Test Answers http://upwork-guru.blogspot.com/2017/05/upwork-javascript-test-answers.html
JavaScript Test 2018 http://upworktestru.com/javascript_test_2016_upwork_answers_questions/
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Select the statement that will return true value.
Array let a = [1,2,3,4] is defined.
let a = [1,2,3,4];
4 in a ;
//False
///////////////////////////////
let a = [1,2,3,4];
a.indexOf(-1)===3;
//False
///////////////////////////////
let a = [1,2,3,4];
a.length;
//4
///////////////////////////////
let a = [1,2,3,4];
a;
//[1,2,3,4];
/////////////////////////////////////
reduce() – Get the sum of the numbers in the array: (from left-to-right).
reduceRight() – Get the sum of the numbers in the array: (from right-to-left).
reverse() – Reverse the order of the elements in an array:
pop() – Remove the last element of an array:
pop() – Add a new item to an array:
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