Question

Possible Duplicate:
How Can I Truncate A String In jQuery?

I’m pulling a feed from Facebook using jQuery and want to put a limit on the number of words/chars displayed in each message string.

i.e. If string contains more than 100 chars, it should stop at the nearest space and put ‘… read more ‘

How can I do this, simply?

Answer 1

function truncateString (string, limit, breakChar, rightPad) {
    if (string.length <= limit) return string;

    var substr = string.substr(0, limit);
    if ((breakPoint = substr.lastIndexOf(breakChar)) >= 0) {
        if (breakPoint < string.length -1) {
            return string.substr(0, breakPoint) + rightPad;
        }
    }

    return string;

}

You can test this function here jsfiddle

Or use this code to test it

var text = ‘The World Wide Web. When your average person on the street’;
console.log(truncateString(text, 52, ‘ ‘, ‘…’));