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- <html>
- <head>
- <title>JavaScript Array</title>
- <style>
- #d {
- width: 500px;
- min-height: 100px;
- border: 1px dashed black;
- }
- </style>
- <script>
- var arr = [];
- function addItem(){
- if (localStorage.meuArr){
- arr = JSON.parse(localStorage.getItem('meuArr'));
- }
- let novoItem = document.getElementById("v").value;
- arr.push(novoItem);
- document.getElementById("v").value = "";
- localStorage.meuArr = JSON.stringify(arr);
- }
- function showItems(){
- let resultDIV = document.getElementById('d');
- resultDIV.innerHTML = "";
- if (localStorage.meuArr){
- arr = JSON.parse(localStorage.getItem('meuArr'));
- }
- for(var i in arr){
- let p = document.createElement("p");
- p.innerHTML = arr[i];
- resultDIV.append(p);
- }
- }
- function clearItems(){
- arr = [];
- localStorage.meuArr = JSON.stringify(arr);
- }
- </script>
- </head>
- <body>
- <h3>Array com JavaScript</h3>
- <label>Informe valor: </label>
- <input id="v" /><br>
- <button onclick="addItem()">Add</button><br>
- <button onclick="showItems()">Show</button><br>
- <button onclick="clearItems()">Clear</button><br>
- <div id="d"></div>
- </body>
- </html>
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