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JavaScript Loops #4

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62074b0
JavaScript Loops
Jan 20, 2017
18db1c5
created class Print and modified other functions
Jan 20, 2017
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20 changes: 10 additions & 10 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -20,16 +20,16 @@ <h1>Loops Exercises</h1>

<section id="menu">
<ul>
<li><button type="button" class="btn btn-primary" onclick="yourFunctionName()">Example 2.1</button></li>
<li><button type="button" class="btn btn-primary" onclick="yourFunctionName()">Example 2.2</button></li>
<li><button type="button" class="btn btn-primary" onclick="yourFunctionName()">Example 2.3</button></li>
<li><button type="button" class="btn btn-primary" onclick="yourFunctionName()">Example 2.4</button></li>
<li><button type="button" class="btn btn-primary" onclick="yourFunctionName()">Example 2.5</button></li>
<li><button type="button" class="btn btn-primary" onclick="yourFunctionName()">Example 2.6</button></li>
<li><button type="button" class="btn btn-primary" onclick="yourFunctionName()">Example 2.7</button></li>
<li><button type="button" class="btn btn-primary" onclick="yourFunctionName()">Example 2.8</button></li>
<li><button type="button" class="btn btn-primary" onclick="yourFunctionName()">Example 2.9</button></li>
<li><button type="button" class="btn btn-primary" onclick="yourFunctionName()">Example 2.10</button></li>
<li><button type="button" class="btn btn-primary" onclick="oneToTen()">Example 2.1</button></li>
<li><button type="button" class="btn btn-primary" onclick="oddNumbers()">Example 2.2</button></li>
<li><button type="button" class="btn btn-primary" onclick="squares()">Example 2.3</button></li>
<li><button type="button" class="btn btn-primary" onclick="random4()">Example 2.4</button></li>
<li><button type="button" class="btn btn-primary" onclick="even(20)">Example 2.5</button></li>
<li><button type="button" class="btn btn-primary" onclick="powers(8)">Example 2.6</button></li>
<li><button type="button" class="btn btn-primary" onclick="areWeThereYet()">Example 2.7</button></li>
<li><button type="button" class="btn btn-primary" onclick="triangle()">Example 2.8</button></li>
<li><button type="button" class="btn btn-primary" onclick="tableSquare()">Example 2.9</button></li>
<li><button type="button" class="btn btn-primary" onclick="tableSquares(6)">Example 2.10</button></li>
</ul>
</section>

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144 changes: 142 additions & 2 deletions js/script.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,146 @@

var display = document.getElementById("display");

function yourFunctionName (){
display.innerHTML = "hello";


class Print {
constructor(){
this.container = ""
}

clearContainer(){
this.container = ""
return this
}
createTitle(title){
this.container += title+"<br>***Output***<br>"
return this
}

add(content){
this.container += content
return this
}

addBreak(){
this.container +="<br>"
return this
}

getDetails(){
return this.container
}

}

var print = new Print()

function oneToTen(){
print.clearContainer().createTitle("oneToTen()")
for (var i = 1; i <= 10; i++) {
print.add(i).addBreak()
}
display.innerHTML = print.getDetails()
}

function oddNumbers(){
print.clearContainer()
print.createTitle("oddNumbers()")
for (var i = 1; i < 20; i+=2) {
print.add(i).addBreak()
}
display.innerHTML = print.getDetails()
}


function squares(){
print.clearContainer()
print.createTitle("squares()")
for (var i = 1; i*i <= 100; i++) {
print.add(i*i).addBreak()
}
display.innerHTML = print.getDetails()
}

function random4(){
print.clearContainer()
print.createTitle("random4()")
for (var i = 1; i <= 4; i++) {
print.add(Math.floor(Math.random() * 100) + 1).addBreak()
}
display.innerHTML = print.getDetails()
}


function even(n){
print.clearContainer()
print.createTitle("even()")
for (var i = 2; i < n; i+=2) {
print.add(i).addBreak()
}
display.innerHTML= print.getDetails()
}

function powers(n){
print.clearContainer()
print.createTitle("powers("+n+")")
for (var i = 1; i <= n; i++) {
print.add(Math.pow(2,i)).addBreak()
}
display.innerHTML = print.getDetails()
}

function areWeThereYet(){
print.clearContainer()
do{
print.add("Arewethereyet?").addBreak()
answer = prompt("Are we there yet?", "Well are we?")
print.add(answer).addBreak()
} while(answer!=="Yes")
print.add("Good!")
display.innerHTML = print.getDetails()
}

function triangle(){
print.clearContainer()
print.createTitle("triangle()")
for (var i = 0; i < 5; i++) {
for (var j = 0; j <= i; j++){
print.add("*")
}
print.addBreak()
}
display.innerHTML = print.getDetails()
}

function tableSquare(){
print.clearContainer()
print.createTitle("tableSquare()").add("A4x4tablesquare").addBreak()
for (var i = 1; i <= 4; i++) {
for (var j = 1; j <= 4; j++){
if ((i*j)<10){
print.add("|&nbsp&nbsp"+(i*j))
} else {
print.add("|"+(i*j))
}
}
print.add("|").addBreak()
}
display.innerHTML = print.getDetails()
}

function tableSquares(n){
print.clearContainer()
print.createTitle("tableSquare()").add("A"+n+"x"+n+"tablesquare").addBreak()
for (var i = 1; i <= n; i++) {
for (var j = 1; j <= n; j++){
if ((i*j)<10){
print.add("|&nbsp&nbsp"+(i*j))
} else {
print.add("|"+(i*j))
}
}
print.add("|").addBreak()
}
display.innerHTML = print.getDetails()
}