Extract Element Content

/* Write a JavaScript function extractContent(str) that extracts the text content from given HTML fragment
(given as string). The function should return anything that is in a tag, without the tags.
Write JS program contentExtracter.js that invokes your function with the sample input data below
and prints the output at the console. */

"use strict";

function extractContent(str) {
    var pattern = />[^<]+/g;
    var matcher;
    var contentArr = [];
    while ((matcher = pattern.exec(str)) !== null) {
        var content = matcher[0].replace(/^>/, '');
        contentArr.push(content);
    }

    console.log(contentArr.join(''));
}

extractContent("<p>Hello</p><a href='http://w3c.org'>W3C</a>");