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January 4, 2018 00:31
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todo app
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// CRITIQUE toujours dependre de l'evenement de DOMContentLoaded | |
// avant de lancer une instruction qui comporte une modification ou un ajout d'elements dans le DOM | |
document.querySelector('.new-todo').addEventListener('keypress', function (e) { | |
var key = e.keyCode; | |
if (key === 13) { // 13 is enter | |
// INTERDIT ! il faut utiliser le système de template fourni | |
//var txtToDo = document.querySelector('.new-todo').value; | |
//var li = document.createElement('li'); | |
//var div = document.createElement('div'); | |
//var input = document.createElement('input'); | |
//var label = document.createElement('label'); | |
//var button = document.createElement('button'); | |
// dangereux: ne pas dependre du dom pour obtenir un id | |
var nbrDataId = fn(); | |
function fn(){ | |
var ul = document.querySelector('.todo-list'); | |
return ul.childElementCount+1; | |
} | |
li.setAttribute('data-id', nbrDataId); | |
div.className = "view"; | |
input.className = "toggle"; | |
input.type = "checkbox"; | |
input.addEventListener("click", function(e){ | |
if(e.target.checked == true){ | |
// dangereux pour target et pour les 2 parentNode utilisés | |
e.target.parentNode.parentNode.classList.add("completed"); | |
}else{ | |
// dangereux pour target et pour les 2 parentNode utilisés | |
e.target.parentNode.parentNode.classList.remove("completed"); | |
} | |
}); | |
label.innerText = txtToDo; | |
button.className = "destroy"; | |
button.addEventListener("click", function(e){ | |
// dangereux pour les parentNode utilisé | |
var ul = e.target.parentNode.parentNode.parentNode; | |
// dangereux pour les parentNode utilisé | |
var li = e.target.parentNode.parentNode; | |
ul.removeChild(li); | |
}); | |
document.querySelector(".todo-list").appendChild(li); | |
li.appendChild(div); | |
div.appendChild(input); | |
div.appendChild(label); | |
div.appendChild(button); | |
} | |
}); |
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