How to find li whose text starts with a particular string?

Question

I have a function to get the

tag at the top that contains the key specified to it, anywhere in the text.

But I want to have the

Answer 1

Use filter.

var li = $('.listcontainer ul li').filter(function() { return $(this).text().indexOf(key) === 0; });

Answer 2

Please check filter() in jquery.

Filter

Filter demo as specified in api.jquery

 $('li').filter(function(index) {
   return $('strong', this).length == 1;
 }).css('background-color', 'red');​