Sometimes, we want to truncate a string in JavaScript.
In this article, we’ll look at how to truncate a string in JavaScript.
How to truncate a string in JavaScript?
To truncate a string in JavaScript, we use the string substring
method.
For instance, we write
const truncateString = (str, length) => {
return str.length > length ? str.substring(0, length - 3) + "..." : str;
};
to define the truncateString
function.
In it, we str.substring
if str.length
is bigger than length
to return a truncated substring.
Otherwise, we return str
.
Conclusion
To truncate a string in JavaScript, we use the string substring
method.