JAVA SCRIPT BOOKS ONLINE

Thursday, 10 February 2022

JAVA SCRIPT BOOKS ONLINE

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JAVA SCRIPT BOOKS ONLINE

https://livebook.manning.com/book/jquery-ui-in-action/chapter-5/69

https://codepen.io/yelly/pen/NyXYrV

http://jsfiddle.net/tj_vantoll/PUVXn/

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<html>

<head>

#items { list-style: none; }

#items li {

margin: 0.5em;

padding: 0.5em;

border: 1px solid black;

border-radius: 5px;

width: 100px;

cursor: move;

}

#cart {

position: fixed;

top: 0;

right: 0;

height: 55px;

width: 150px;

border: 2px solid black;

text-align: center;

padding-top: 20px;

line-height: 10px;

box-sizing: border-box;

}

#cart.active {

border: 2px dotted black;

}

#cart.hover {

opacity: 0.5;

}

/* EOS */

</style>

</head>

<body>

<li>Bananas</li>

<li>Apples</li>

<li>Grapes</li>

<li>Oranges</li>

<li>Watermelon</li>

<li>Strawberries</li>

</ul>

Cart - <span id="count">0</span> Item(s)

</div>

$( "#items li" ).draggable({

cursor: "move",

revert: "invalid",

helper: "clone"

});

$( "#cart" ).droppable({

activeClass: "active",

hoverClass: "hover",

drop: function( event, ui ) {

var count = parseInt( $( "#count" ).text(), 10 );

$( "#count" ).text( ++count );

tolerance: "touch"

});

//]]></script>

// tell the embed parent frame the height of the content

if (window.parent && window.parent.parent){

window.parent.parent.postMessage(["resultsFrame", {

height: document.body.getBoundingClientRect().height,

slug: "PUVXn"

}], "*")

}

// always overwrite window.name, in case users try to set it manually

window.name = "result"

</script>

</body>

</html>

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COLOR DRAG AND DROP IN BOX CODE

http://jsfiddle.net/tj_vantoll/S7pdy/

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#colors {

position: absolute;

}

.ui-draggable {

width: 100px;

height: 100px;

margin: 20px;

cursor: move;

box-sizing: border-box;

border: 1px solid black;

}

#drop-zones {

position: absolute;

left: 200px;

}

#drop-zones > div {

border: 1px solid black;

height: 100px;

width: 100px;

margin: 20px;

text-align: center;

padding-top: 40px;

box-sizing: border-box;

line-height: 10px;

}

/* EOS */

</style>

</head>

<body>

function randomize( array ) {

return array.sort(function() {

return 0.5 - Math.random();

});

};

var i = 0,

colors = randomize([ "red", "blue", "green", "yellow", "purple", "black" ]);

for ( ; i < colors.length; i++ ) {

$( "<div>", { id: colors[ i ] } )

.css( "background", colors[ i ] )

.appendTo( "#colors" )

.draggable({ revert: "invalid", zIndex: 2 });

}

randomize( colors );

for ( i = 0; i < colors.length; i++ ) {

$( "<div>", { text: colors[ i ] })

.appendTo( "#drop-zones" );

}

$( "#drop-zones > div" ).droppable({

accept: function( draggable ) {

return $( this ).text() == draggable.attr( "id" );

drop: function( event, ui ) {

var color = ui.draggable.css( "background-color" );

$( this ).css( "background", color ).addClass( "filled" );

ui.draggable.hide( "puff" );

if ( $( ".filled" ).length === colors.length ) {

$( "<div><p>Nice job! Refreshing game.</p></div>" )

.dialog({ modal: true });

setTimeout(function() {

window.location = window.location;

}, 3000 );

}

});

//]]></script>

// tell the embed parent frame the height of the content

if (window.parent && window.parent.parent){

window.parent.parent.postMessage(["resultsFrame", {

height: document.body.getBoundingClientRect().height,

slug: "S7pdy"

}], "*")

}

// always overwrite window.name, in case users try to set it manually

window.name = "result"

</script>

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https://stackoverflow.com/questions/36639681/how-to-copy-text-from-a-div-to-clipboard

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<!DOCTYPE html>

<html>

<body>

<textarea id="myInput">The overflow property specifies whether to clip content or to add scrollbars when an element's content is too big to fit in a specified area.</textarea>

<br>

<hr>

<p>Try paste it here after copying</p>

function copy_data(containerid) {

var range = document.createRange();

range.selectNode(containerid); //changed here

window.getSelection().removeAllRanges();

window.getSelection().addRange(range);

document.execCommand("copy");

window.getSelection().removeAllRanges();

alert("data copied");

}

</script>

</body>

</html>

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VALUE COMPARE JAVASCRIPT WHEN VALUE EQUAL THEN VARIABLE TRUE ELSE FLASE VARIABLE

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<!-- https://www.codecademy.com/forum_questions/523a662aabf821b19c002ef5

https://stackoverflow.com/questions/56394757/javascript-compare-function-with-always-returning-false

-->

HtmlId.addEventListener("click",FunctionName,true);

function FunctionName(){

function compare(a, b) {

console.log(a,b)

if (a == b) {

var valid = true;

}

else {

var valid = false;

}

return valid;

}

function test(first, second) {

if(!isNaN(first) && !isNaN(second)){

alert(compare(first, second));

}

else {

alert('TRY AGAIN');

}

var firstStr = prompt('Enter first Number:');

var first = Number(firstStr);

var secondStr = prompt('Enter second Number:');

var second = Number(secondStr);

test(first, second);

}

</script>

<button id="HtmlId"onClick="FunctionName()">AddEventListener</button>

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Memory Game Marina

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<html>

<head>

<title>Memory Game</title>

<style>

.memory-game {

width: 600px;

height: 600px;

margin-left:0px;

display: flex;

align-items:right;

flex-wrap: wrap;

perspective: 1000px;

}

.memory-card {

width: calc(25% - 10px);

height: calc(33.333% - 10px);

margin: 5px;

position: relative;

background-color:Green;

background:#fff url("https://marina-ferreira.github.io/memory-game/img/js-badge.svg")no-repeat;

box-shadow: 1px 1px 1px rgba(0,0,0,.3);

transition: all .5s;

transform-style: preserve-3d;

transform: scale(1);

}

.memory-card.flip {

background:#fff url("https://plchldr.co/i/180x250?bg=71BA51")no-repeat;

}

.memory-card:active {

transform: scale(0.97);

transition: transform .2s;

}

.front-face,

.back-face {

width: 100%;

height: 100%;

padding: 20px;

position: absolute;

border-radius: 5px;

background: #1C7CCC;

}

.front-face {

transform: rotateY(180deg);

}

@media screen and (max-width: 750px) and (max-height: 500px) {

.memory-game {

width: 50%;

height: 90%;

}

.memory-card {

}

.front-face,

.back-face {

padding: 10px;

width: 200px;

height: 200px;

}

</style>

</head>

<body>

<div class="memory-card" id="aurelia">A

</div>

<div class="memory-card" id="aurelia"> APPLE

</div>

<div class="memory-card" id="vue"> B

</div>

<div class="memory-card" id="vue"> BALL

</div>

</section>

var cards = document.querySelectorAll('.memory-card');

var hasFlippedCard = false;

var lockBoard = false;

var firstCard;

var secondCard;

function flipCard() {

if (lockBoard) return;

if (this === firstCard) return;

this.classList.add('flip');

if (hasFlippedCard == false) {

hasFlippedCard = true;

firstCard = this;

return;

}

secondCard = this;

checkForMatch();

}

function checkForMatch() {

var isMatch = firstCard.id === secondCard.id;

isMatch ? disableCards() : unflipCards();

}

function disableCards() {

firstCard.removeEventListener('click', flipCard);

secondCard.removeEventListener('click', flipCard);

resetBoard();

}

function unflipCards() {

lockBoard = true;

setTimeout(() => {

firstCard.classList.remove('flip');

secondCard.classList.remove('flip');

resetBoard();

}, 1500);

}

function resetBoard() {

[hasFlippedCard, lockBoard] = [false, false];

[firstCard, secondCard] = [null, null];

}

(function shuffle() {

cards.forEach(card => {

var randomPos = Math.floor(Math.random() * 4);

card.style.order = randomPos;

});

})();

cards.forEach(card => card.addEventListener('click', flipCard));

</script>

</body>

</html>

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Thursday, 10 February 2022