去空行小工具Html + Javascript
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>去回车去空行</title>
</head>
<body>
<script type="text/javascript">
function format(){
var content = document.getElementById('input').value;
var result = "";
var skip = false;
document.getElementById('input').value = content;
var lines = content.split("\n");
lines.forEach(function(element){
if (element.trim().length > 0){
if (element.match(/^.*([0-1]?[0-9]|2[0-3]):[0-5][0-9]$/)){
result = result + element + ' ';
}else{
result = result + element + '\n';
}
}
});
document.getElementById('output').value = result;
return false;
}
</script>
<br>
<form onsubmit="return format();" class="my-form">
<textarea id="input" name="input" rows="30" cols="60">input text here</textarea>
<textarea id="output" name="output" rows="30" cols="60"></textarea><br>
<input type="submit" value="Submit转换">
</form>
</body>
</html>