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enter
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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no" />
<title>测试</title>
<style type="text/css">
.form {
width: 100%;
height: 100px;
border: 1px solid gray;
}
textarea{
width: 100%;
height: 100%;
}
.enter {
width:100px;
height: 30px;
line-height: 30px;
color: white;
border: 1px solid #801da1;
background-color: #801da1;
text-align: center;
border-radius: 5px;
}
.choose {
float: right;
margin-right: 20px;
line-height: 30px;
}
</style>
</head>
<body bgcolor="#f5f5f5">
<div id="chart" class="form">
<textarea>Here is some text your need!</textarea>
<div class="choose">
<input type="radio" name="method" value="enter" checked /><label>Enter</label>
<input type="radio" name="method" value="ctrl-enter" /><label>Ctrl+enter</label>
</div>
<div class="enter">Enter</div>
</div>
<script type="text/javascript">
var events = {
enter:true,
ctrl:false
};
var button = $('.enter');
var method = 'enter';
document.addEventListener('keydown',function(e){
var keyCode = e.keyCode;
if(keyCode===13){
events.enter = true;
}
if(keyCode===17){
events.ctrl = true;
}
});
document.addEventListener('keyup',function(e){
submit();
events = {
enter:false,
ctrl:false
}
});
$('.choose').addEventListener('click',select,false);
button.addEventListener('click',submit,false);
function select(e){
if(e.target.tagName==='INPUT'){
method = e.target.value;
button.innerHTML = method;
}
}
function $(tagName){
return document.querySelector(tagName);
}
function submit(){
console.log(events,method)
if(method==='enter'){
if(events.enter&&!events.ctrl){
alert('submit by enter successfull !');
}
}else if(method==='ctrl-enter'){
if(events.enter && events.ctrl){
alert('submit by ctrl-enter successfull !');
}
}
}
</script>
</body>
</html>