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February 27, 2018 15:34
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license: mit |
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<!DOCTYPE html> | |
<head> | |
<meta charset="utf-8"> | |
<script src="https://d3js.org/d3.v4.min.js"></script> | |
<style> | |
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
</style> | |
</head> | |
<body> | |
<h1>Please look in the code below for 4 JavaScript practice problems.</h1> | |
<p>(These problems don't include any SVG manipulation, so you will need to open the developer console in order to see the output of your code)</p> | |
<script> | |
// Problem 1: search array1 for those states whose location is "East" | |
// using console.log(), print just the state name(s). | |
array1 = [ | |
{name: "Arizona", location: "Southwest"}, | |
{name: "Virginia", location: "East"}, | |
{name: "Florida", location: "Southeast"} | |
]; | |
array1.forEach(function(a1) | |
{ if (a1.location == "East") | |
console.log(array1)}) | |
// Problem 2: search array1 (above) for those states whose location contains the substring "South" | |
// using console.log(), print just the state name(s) for these states. | |
array1.search("blue"); | |
// Problem 3: using iteration and console.log(), print those items that are in | |
// array2 but NOT in array3 | |
array2 = ['a','b','c', 65, 'd']; | |
array3 = ['a','c','e','f','g', 87]; | |
// Problem 3: 'states' is an array of objects. Sort the array in ascending order | |
// by state name | |
states = [{name: "Alaska", id: "AK", population: 741894}, | |
{name: "Virginia", id: "VA", population: 8411808}, | |
{name: "Arizona", id: "AZ", population: 6931071}, | |
{name: "Florida", id: "FL", population: 20984400}] | |
// Problem 4: write code that determines which state(s) have a population value that is an even number. Print out the state(s) to the console | |
</script> | |
</body> |
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