method one:
function wordlimit(cname, wordlength) {
var cname = document.getElementsByClassName(cname);
for (var i = 0; i < cname.length; i++) {
var nowLength = cname[i].innerHTML.length;
if (nowLength > wordlength) {
cname[i].innerHTML = cname[i].innerHTML.substr(0, wordlength) + '...';
}
}
};
Method Two:
fontNumber (date) {
const length = date.length
if (length > 30) {
var str = ''
str = date.substring(0, 30) + '......'
return str
} else {
return date
}
}