How can I remove extra white space in a string in JavaScript?

Question

How can I remove extra white space (i.e. more than one white space character in a row) from text in JavaScript?

E.g

match    the start using.
         


        

Answer 1

Try this regex

var st = "hello world".replace(/\s/g,'');

or as a function

    function removeSpace(str){
      return str.replace(/\s/g,'');
    }

Here is a working demo