Word count after trimming white spaces in Javascript

21 Dec 2014

The below function can count the number of words in a line by ignoring the white space characters .

function wordCount (str) {
    if(!!str){
        return str.trim().replace(/\s+/gi, ' ').split(' ').length;
    }
    return 0;
}

// Usage 
var str = "Hello There. How is the   weather     today in   India",
count = wordCount();
console.log(count); // 8