tinymce I Want To Insert Line Break Each Time When I Reached To The Limit Of Per Line Characters

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editing

<textarea id="description_edit" name="description_edit"></textarea>




<script type="text/javascript" src="/js/tinymce/tinymce.min.js"></script>
<script>
var max_chars = 200; //max characters
var max_for_html = 300; //max characters for html tags
var allowed_keys = [8, 13, 16, 17, 18, 20, 33, 34, 35,36, 37, 38, 39, 40, 46];
var chars_without_html = 0;
function alarmChars(){
if(chars_without_html > (max_chars - 25)){
$('#chars_left').css('color','red');
}else{
$('#chars_left').css('color','gray');
}
}
$(function() {
tinymce.init({
selector: "#description_edit",
theme: "modern",
width: 320,
height: 130,
plugins: [
"advlist autolink lists charmap print preview hr anchor pagebreak",
"searchreplace visualblocks visualchars code insertdatetime media nonbreaking",
"save table contextmenu directionality paste textcolor"
],
image_advtab: true,
language : 'en',
menubar:false,
statusbar:false,

setup : function(ed) {
ed.on("KeyDown", function(ed,evt) {
chars_without_html = $.trim(tinyMCE.activeEditor.getContent().replace(/(<([^>]+)>)/ig,"")).length;
chars_with_html = tinyMCE.activeEditor.getContent().length;
var key = ed.keyCode;

$('#chars_left').html(max_chars - chars_without_html);

if(allowed_keys.indexOf(key) != -1){
alarmChars();
return;
}

if (chars_with_html > (max_chars + max_for_html)){
ed.stopPropagation();
ed.preventDefault();
}else if (chars_without_html > max_chars-1 && key != 8 && key != 46){
alert('Characters limit!');
ed.stopPropagation();
ed.preventDefault();
}
alarmChars();
});
},

toolbar: "bold italic underline | alignleft aligncenter alignright alignjustify | forecolor backcolor | bullist numlist | charmap",
style_formats: [
{title: 'Bold text', inline: 'b'},
{title: 'Red text', inline: 'span', styles: {color: '#ff0000'}},
{title: 'Red header', block: 'h1', styles: {color: '#ff0000'}},
{title: 'Example 1', inline: 'span', classes: 'example1'},
{title: 'Example 2', inline: 'span', classes: 'example2'},
{title: 'Table styles'},
{title: 'Table row 1', selector: 'tr', classes: 'tablerow1'}
]
});

chars_without_html = $.trim($("#description_edit").text().replace(/(<([^>]+)>)/ig,"")).length;
$('#chars_left').html(max_chars - chars_without_html);
alarmChars();
});
</script>