rest-spread-params/index.html at master · webermatthew/rest-spread-params · GitHub

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<!DOCTYPE html>
<html>
<head>
<meta name="description" content="ES6 Exercise: rest/spread">
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>
  <h1>Test Results</h1>

  <script src="https://wzrd.in/standalone/tap-browser-color@latest"></script>
  <script src="https://wzrd.in/standalone/tape@latest"></script>
<script id="jsbin-javascript">
// This will colour the body red/green/yellow to indicate test status.
'use strict';

tapBrowserColor();

/**
 * ES5 Version of rest parameters
 * (the old syntax)
 */

var sum = undefined;

sum = function () {
  var total = 0;

  for (var i = 0; i < arguments.length; i++) {
    total = total + arguments[i];
  }

  return total;
};

/**
 * ES6 Version of Rest Parameters
 */

// TODO: Uncomment the below and flesh it out using ES6 syntax
//   and see if the test still passes.
// sum = function ( ...values ) {};

/**
 * Tests of Rest Parameters
 */
tape('rest parameters', function (t) {
  var res = sum(1, 2, 3);
  t.equal(res, 6, 'should total all numbers provided');

  t.end();
});

/**
 * ES5 Version of spread
 * (the old syntax)
 */

var sumArray = undefined;

sumArray = function (array) {
  return total = sum.apply(this, array);
};

/**
 * ES6 Version of Rest Parameters
 * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/rest_parameters
 */

// TODO: Uncomment the below and flesh it out using ES6 syntax
//   and see if the test still passes.
// sumArray = function ( values ) {};

tape('spread', function (t) {
  var res = sumArray([1, 2, 3]);
  t.equal(res, 6, 'should total all numbers provided');

  t.end();
});
</script>


<script id="jsbin-source-javascript" type="text/javascript">// This will colour the body red/green/yellow to indicate test status.
tapBrowserColor();

/**
 * ES5 Version of rest parameters
 * (the old syntax)
 */

let sum;

sum = function () {
  let total = 0;

  for ( let i = 0; i < arguments.length; i++ ) {
    total = total + arguments[i];
  }

  return total;
};


/**
 * ES6 Version of Rest Parameters
 */

// TODO: Uncomment the below and flesh it out using ES6 syntax
//   and see if the test still passes.
// sum = function ( ...values ) {};


/**
 * Tests of Rest Parameters
 */
tape( 'rest parameters', t => {
  const res = sum( 1, 2, 3 );
  t.equal( res, 6, 'should total all numbers provided' );

  t.end();
});

/**
 * ES5 Version of spread
 * (the old syntax)
 */

let sumArray;

sumArray = function ( array ) {
  return total = sum.apply( this, array );
};


/**
 * ES6 Version of Rest Parameters
 * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/rest_parameters
 */

// TODO: Uncomment the below and flesh it out using ES6 syntax
//   and see if the test still passes.
// sumArray = function ( values ) {};

tape( 'spread', t => {
  const res = sumArray([ 1, 2, 3 ]);
  t.equal( res, 6, 'should total all numbers provided' );

  t.end();
});
</script></body>
</html>