我正在尝试用新行拆分 Splitting textarea data 中的文本。我当前的代码有效,除了一个小要求:生成的数组还必须包含空行。
<script>
$(function(){
var lines = [];
$.each($('#data').val().split(/\n/), function(i, line){
if(line){
lines.push(line);
}
});
console.log(lines);
});
</script>
<textarea id="data">
I like to eat icecream. Dogs are fast.
The previous line is composed by spaces only.
The last 3 lines are empty.
One last line.
</textarea>
目前的结果是:
["I like to eat icecream. Dogs are fast.", " ", "The previous line is composed by spaces only.", "The last 3 lines are empty.", "One last line."]
它应该是什么:
["I like to eat icecream. Dogs are fast.", " ", "The previous line is composed by spaces only.", "", "", "", "The last 3 lines are empty.", "", "One last line."]
最佳答案
您的 .split
将包含\n,但是当 line
为假时,您可以只推送一个空字符串...
$(function(){
var lines = [];
$.each($('#data').val().split(/\n/), function(i, line){
if(line){
lines.push(line);
} else {
lines.push("");
}
});
console.log(lines);
});
这是一个工作示例:JSFiddle
输出:
["I like to eat icecream. Dogs are fast.",
"", "The previous line is composed by spaces only.",
"", "", "",
"The last 3 lines are empty.",
"", "One last line."]
或者简单地按照上面的评论建议(我假设你的例子已经被简化,你需要在 .each
循环中做一些其他的事情):
var lines = $('#data').val().split(/\n/);
关于javascript - 通过新行(包括空行)将textarea中的文本拆分为javascript数组,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/28241954/