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task20.html
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task20.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf8">
<title>Task 20</title>
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous">
<style>
body{padding:50px;}
#output{margin-top:20px;}
#output div{
display: inline-block;
padding:10px;
background-color: pink;
margin-right: 10px;
margin-bottom:5px;
}
#output span{background:red;}
</style>
</head>
<body>
<div class="container">
<div class="row">
<div class="col-md-8 col-md-offset-2 ">
<div class="jumbotron ">
<h1 class="text-center">Task 20</h1>
<br>
<form action="">
<div class="form-group">
<label for="text">输入你的信息</label>
<textarea name="text" id="text" cols="30" rows="5" class="form-control" placeholder="输入你的信息并用符号隔开"></textarea>
</div>
<button class="btn btn-success" id="subBtn">提交</button>
<br><br>
<div class="form-group">
<label for="search">查询</label>
<input type="search" class="form-control" id="searchText">
</div>
<button class="btn btn-success" id="searchBtn">查询</button>
</form>
<div id="output"></div>
</div>
</div>
</div>
</div>
<script>
//get dom
function $(el){
return document.querySelector(el);
}
var text = [];
//hevent handlers
function getText(){
event.preventDefault();
//split and push text into text
var pattern = /[^\u4e00-\u9fa50-9A-Za-z]+/g;
text = $("#text").value.trim().split(pattern);
console.log(text);
render();
}
function searchText(){
event.preventDefault();
var str = $("#searchText").value.trim();
render(str);
}
//bind events
$("#subBtn").addEventListener("click",getText);
$("#searchBtn").addEventListener("click",searchText);
//render #output
function render(str){
$("#output").innerHTML = text.map(function(item){
if(str !=null && str.length>0){
var pattern = new RegExp(str,"gi")
item = item.replace(pattern,"<span class = 'select'>" + str + "</span>");
}
return "<div>" + item +"</div>";
}).join("");
}
</script>
</body>
</html>