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localStorage.test = ''; | |
var stores = new Stores('test'); | |
var datas = [ | |
{ name: 'Eric' }, | |
{ name: 'Jean' }, | |
{ name: 'Pablo' }, | |
{ name: 'Palmer' }, | |
{ name: 'Pepo' } | |
]; | |
var i = 0; | |
datas.forEach( saveMyBrothers ); | |
function saveMyBrothers( data, index ) { | |
setTimeout(function(){ | |
stores.save( data, function( newItem ) { | |
console.log(newItem.name, 'criado com Id', newItem.id ); | |
if( newItem.name === 'Pepo' ) { | |
updatePepo( newItem ); | |
} | |
if( newItem.name === 'Jean' ) { | |
destroyJean( newItem ); | |
} | |
if( index === datas.length -1 ) { | |
showItems(); | |
} | |
}); | |
}, 1000 * i++ ); | |
} | |
function updatePepo( item ) { | |
item.name = 'Pepo do Fuscao'; | |
setTimeout(function(){ | |
stores.save( item, function( itemUpdated ) { | |
console.log('UPDATED', itemUpdated.id, itemUpdated.name ); | |
}); | |
}, 1000 * i++ ); | |
} | |
function destroyJean( item ) { | |
setTimeout(function(){ | |
stores.destroy( item.id, function( destroyed ) { | |
console.log('DESTROY', item.name ); | |
showItems(5000); | |
}); | |
}, 1000 * i++ ); | |
} | |
function showItems( timeout ) { | |
setTimeout(function(){ | |
stores.findAll(function(items){ | |
items.forEach(function(item){ | |
console.log(item); | |
}) | |
}); | |
}, timeout || 0); | |
} |
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="UTF-8"> | |
<title>Document</title> | |
</head> | |
<body> | |
<div class="main"> | |
<h1>Darth <span>Vader</span></h1> | |
<h2>Storm <span>Trooper</span></h2> | |
<div class="box1"> | |
<p>Gato</p> | |
<p>Pato</p> | |
<p>Galo</p> | |
</div> | |
<div class="box2"> | |
<p>Homem</p> | |
<p>Mulher</p> | |
<p>Criança</p> | |
</div> | |
</div> | |
<script> | |
var h2 = selectOne('h2'); | |
var span = selectOne('span', h2); | |
var ps = selectMany('p'); | |
var box2 = selectOne('.box2'); | |
var ps2 = selectMany('p', box2); | |
console.log(h2.textContent); | |
console.log(span.textContent); | |
console.log(box2.innerHTML); | |
var len = ps2.length; | |
while( len-- ) { | |
console.log( ps2[len].innerHTML ); | |
} | |
/* | |
Storm Trooper | |
Trooper | |
<p>Homem</p> | |
<p>Mulher</p> | |
<p>Criança</p> | |
Criança | |
Mulher | |
Homem | |
*/ | |
</script> | |
</body> | |
</html> |
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var obj = { name: 'Palmer', age: 34, email: 'expalmer@gmail.com' }; | |
var arr = ['Palmer', 34, 'expalmer@gmail.com']; | |
mapValues(obj, function(value, key) { | |
console.log(value, key); // Palmer, name | |
}); | |
mapValues(arr, function(value, key) { | |
console.log(value, key); // Palmer, 0 | |
}); |
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// Problemas da implementação. | |
// 1) Muitas chamadas para o DOM, o que é crítico pois manipular o DOM é a coisa mais trabalhosa para a Engine JS, | |
// vocês chamaram getElementById várias vezes, sendo que só é necessário 1 vez | |
// 2) Não colocar funções na marcação html, melhor criar um eventListener | |
// Mas funcionou :) | |
// eric | |
var func = function ( e ) { | |
var textBox = document.getElementById("textbox").value; | |
if ( textBox!="" && e.keyCode == 13 ){ | |
console.log( textBox ); | |
var li = document.createElement('li'); //Criando a var li e criando o elemento li | |
var ul = document.getElementById('ul'); //Atribuindo o elemento ul na var ul | |
li.appendChild(document.createTextNode(textBox)); //Adicionando o que foi digitado | |
ul.appendChild(li); //adicionando o li na ul | |
document.getElementById("textbox").value = ""; //Limpando a textbox | |
} | |
}; | |
// jean | |
var fn = function(e){ | |
if (e.keyCode == 13 && document.getElementById('input').value != "") { | |
var textoDigitado = document.getElementById('input').value; | |
document.getElementById('input').value = ""; | |
var li = document.createElement('li'); | |
var ul = document.getElementById('ul'); | |
li.appendChild(document.createTextNode(textoDigitado)); | |
ul.appendChild(li); | |
} | |
}; | |
// pepo | |
function addDom(e) { | |
if (e.keyCode == 13) { | |
if(document.getElementById("valor").value != '') { | |
//pegando valor do input | |
var valor = document.getElementById("valor").value; | |
// adicionando o elemento li no newLi | |
var newLi = document.createElement('li'); | |
// adicionano o valor do input no newContent | |
var newContent = document.createTextNode(valor); | |
//adicionando o valor ao li | |
newLi.appendChild(newContent); | |
//pega a lista | |
var addLi = document.getElementById("list"); | |
//insere o li e o conteudo após a ultima posicao da lista | |
addLi.insertBefore(newLi, addLi.lastChild); | |
// zera o inputzinho | |
document.getElementById("valor").value = ''; | |
} | |
} | |
} | |
// pablo | |
var func = function ( e ) { | |
var textBox = document.getElementById("textbox").value; | |
if ( textBox!="" && e.keyCode == 13 ){ | |
console.log( textBox ); | |
var li = document.createElement('li'); | |
var ul = document.getElementById('ul'); | |
li.appendChild(document.createTextNode(textBox)); | |
ul.appendChild(li); //adicionando o li na ul | |
document.getElementById("textbox").value = ""; | |
} | |
}; |
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;(function() { | |
// chama nossa função apenas quando o DOM estiver pronto | |
window.addEventListener('DOMContentLoaded', function() { | |
var ENTER_KEY = 13; // melhor declarar o que significa 13 | |
var add = document.querySelector('input'); | |
var list = document.querySelector('ul'); // pegamos a referencia apenas 1 vez | |
function addInList( value ) { | |
var li = document.createElement('li'); | |
li.appendChild(document.createTextNode(value)); | |
list.appendChild(li); | |
} | |
function onKeyPressHandler( event ) { | |
console.log( event.target === add ); | |
var text = event.target.value.trim(); | |
if( text && event.keyCode === ENTER_KEY ) { | |
addInList( text ); | |
event.target.value = ''; | |
} | |
} | |
add.addEventListener('keypress', onKeyPressHandler); | |
}); | |
})(); |
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