110 lines
2.6 KiB
HTML
110 lines
2.6 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title></title>
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<style>
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* {
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margin: 0;
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padding: 0;
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}
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#container {
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margin: 20px 50px;
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}
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#fruits li {
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list-style: none;
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width: 200px;
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height: 50px;
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font-size: 20px;
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line-height: 50px;
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background-color: cadetblue;
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color: white;
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text-align: center;
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margin: 2px 0;
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}
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#fruits>li>a {
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float: right;
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text-decoration: none;
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color: white;
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position: relative;
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right: 5px;
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}
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#fruits~input {
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border: none;
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outline: none;
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font-size: 18px;
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}
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#fruits~input[type=text] {
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border-bottom: 1px solid darkgray;
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width: 200px;
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height: 50px;
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text-align: center;
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}
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#fruits~input[type=button] {
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width: 80px;
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height: 30px;
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background-color: coral;
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color: white;
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vertical-align: bottom;
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cursor: pointer;
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}
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</style>
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</head>
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<body>
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<!-- <a href="mailto:957658@qq.com">联系站长</a> -->
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<div id="container">
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<ul id="fruits">
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<!-- a标签有默认的跳转页面的行为有两种方法可以阻止它的默认行为-->
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<li>苹果<a href="">×</a></li>
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<li>香蕉<a href="">×</a></li>
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<li>火龙果<a href="">×</a></li>
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<li>西瓜<a href="">×</a></li>
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</ul>
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<input type="text" name="fruit">
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<input id="ok" type="button" value="确定">
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</div>
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<script src="js/mylib.js"></script>
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<script>
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function removeItem(evt) {
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evt.preventDefault();
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var a = evt.target || evt.srcElement;
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var li = a.parentNode;
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li.parentNode.removeChild(li);
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}
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function addItem() {
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var fruitName = input.value.trim();
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if (fruitName.length > 0) {
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var li = document.createElement('li');
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li.textContent = fruitName;
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li.style.backgroundColor = randomColor();
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var a = document.createElement('a');
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a.href = '';
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a.textContent = '×';
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a.addEventListener('click', removeItem);
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li.appendChild(a);
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ul.insertBefore(li, ul.firstChild);
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}
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input.value = '';
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input.focus();
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}
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var anchors = document.querySelectorAll('#fruits a');
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for (var i = 0; i < anchors.length; i += 1) {
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anchors[i].addEventListener('click', removeItem);
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}
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var ul = document.getElementById('fruits');
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var input = document.querySelector('#container input[type=text]');
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input.addEventListener('keypress', function(evt) {
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var key = evt.keyCode || evt.which;
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if (key == 13) {
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addItem();
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}
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});
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var okButton = document.querySelector('#ok');
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okButton.addEventListener('click', addItem);
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</script>
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</body>
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</html>
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