js实现关键词搜索
目录
js实现关键词搜索
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="author" content="http://www.softwhy.com/" />
<title>蚂蚁部落</title>
<style type="text/css">
* {
margin: 0;
padding: 0;
}
input {
display: block;
width: 600px;
height: 50px;
border: #EE491F 1px solid;
margin: 10px auto 0;
text-indent: 10px;
}
ul {
display: block;
width: 600px;
border: #CCC 1px solid;
margin: 0 auto;
}
li {
list-style: none;
display: block;
width: 100%;
}
a {
display: block;
width: 100%;
height: 40px;
border-bottom: #CCC 1px solid;
text-decoration: none;
color: #333;
line-height: 40px;
font-size: 12px;
}
</style>
<script>
window.onload = function() {
var data = {
"specialty": [{
"specialtyName": "div教程",
"href": "https://www.softwhy.com"
}, {
"specialtyName": "css教程",
"href": "http://www.softwhy.com"
}, {
"specialtyName": "div css教程",
"href": "http://www.softwhy.com"
}, {
"specialtyName": "css3教程",
"href": "http://www.softwhy.com"
}, {
"specialtyName": "jquery教程",
"href": "http://www.softwhy.com"
}]
}
var input = document.getElementsByTagName("input")[0];
var ul = document.getElementsByTagName("ul")[0];
ul.style.display = "none";
input.onkeyup = function() {
remove();
var arr_1 = [];
var arr_2 = [];
for (var index = 0; index < data.specialty.length; index++) {
if (data.specialty[index].specialtyName.indexOf(this.value) > -1 && this.value.length > 0) {
arr_1.push(data.specialty[index].specialtyName);
arr_2.push(data.specialty[index].href);
}
}
console.log(arr_1);
console.log(arr_2);
if (arr_1.length > 0) {
remove();
create(arr_1, arr_2);
}
}
function create(arr_1, arr_2) {
ul.style.display = "block";
for (var index = 0; index < arr_1.length; index++) {
var li = document.createElement("li");
li.innerHTML = "<a href='" + arr_2[index] + "'>" + arr_1[index] + "</a>";
ul.appendChild(li);
}
}
function remove() {
ul.style.display = "none";
for (var index = ul.childNodes.length - 1; index >= 0; index--) {
ul.removeChild(ul.childNodes[index]);
}
}
}
</script>
</head>
<body>
<input type="text" value="" placeholder="请输入搜索关键词" />
<ul></ul>
</body>
</html>效果如图：
