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@sranso
sranso / codequizzes-js2
Last active January 3, 2016 22:39
http://www.codequizzes.com/topics/26/quizzes/85
What does the following expression return?
4 > 1;
true;
=================================
What does the following expression return?
"chatty" === "chatty";
true;
=================================
@sranso
sranso / js-function
Last active January 3, 2016 23:19
function walkDog( dogname ) {
console.log( dogname + " goes for a walk!" );
}
walkDog( "Sparky" );
// Sparky goes for a walk!
@sranso
sranso / js-quiz-3
Last active January 4, 2016 01:18
http://www.codequizzes.com/topics/26/quizzes/87
// What does the following code evaluate to?
// var first_name = function (name) {
// return name;
// }
// first_name("bob");
"bob"
// What does the following code evaluate to?
// function add(x, y) {
// return x + y;
@sranso
sranso / dinos
Last active January 4, 2016 03:59
> function Dino(name){ this.name=name; }
undefined
> var myDino = new Dino("Clawpaw");
undefined
> Dino.prototype.fight = function(weapon) {
... return(this.name + " fought another Dino with a " + weapon + "!");
... }
[Function]
> console.log(myDino.fight("candlestick"));
Clawpaw fought another Dino with a candlestick!
@sranso
sranso / js-quiz-intro-to-objs
Last active January 4, 2016 04:09
http://www.codequizzes.com/topics/26/quizzes/88
What does the following code print to the console?
var person = {
name: "Joe Camel",
age: 42,
status: "dead"
}
console.log(typeof person);
object
What does the following code print to the console?
@sranso
sranso / js-each
Created January 30, 2014 03:05
<html>
<script type="text/javascript">
function each(array, f) {
var new_array = []
for (i = 0; i < array.length; i++) {
new_array.push(f(array[i]))
}
return new_array
}
function addTwo(element) {
@sranso
sranso / js-selectors
Created January 30, 2014 03:07
// selectors
$("#candyCanes") //says go grab me everything with this id.
$(".polarVortex") //class
$("footer") //with this element tag
// filter selections
$("div.foo").has("p"); //with p tag
$("h1").not(".bar"); //w/o bar
$("ul li").filter(".current"); //w current
$("ul li").first(); //first
@sranso
sranso / d3-lifestyle
Created February 4, 2014 04:46
// 1. selection an element
var chart = d3.select(".chart");
var bar = chart.selectAll("div");
// 2. then we have to join data to that element
var data = [4,3,5,33,5,67]
var barUpdate = bar.data(data);
// 3. enter/update/exit
var barEnter = barUpdate.enter().append();
// 4. add/update/remove attr, content, styles, etc
barEnter.style("width", function(d){
@sranso
sranso / regex
Created February 9, 2014 19:07
(ABC|DE) # => capture ABC or DE, once
(ABC|DE){2} # => capture ABC or DE, exactly two times. can be ABC or DE twice, or each of them once
[ABCDE] # => any of the letters once
.* # => any single character, zero or more times. the letter doesn't have to be the same one...
#for example, "aa" or "ab" will both be matched
[^ABC] # => any character besides ABC
a? # => 0 or 1 of a
a* # => 0 or more of a
a+ # => 1 or more of a
@sranso
sranso / angular-create-view.html
Last active August 29, 2015 13:57
<!-- public/app/partials/show-all.html -->
<div class="new-quote-form ng-hide">
<h3>New Quote</h3>
<form>
<div class="row">
<div class="large-12 columns">
<label for="body">Body
<br>
<textarea ng-model="newItem.body" rows="4" cols="70" placeholder="To improve is to change..."></textarea>
</label>