Get all words from a HTML

get_all_words.js

var uni_words = [];
var all_words = jQuery('body').text().split(/ |\ /);
jQuery.each(all_words, function(index, item){
    if (item.length > 1 && /^[A-Za-z][A-Za-z0-9]*$/.test(item)) {
        if(jQuery.inArray(item, uni_words) === -1) {
            uni_words.push(item);
        }
    }
});

console.log(uni_words);

/*
//Get HTML code from file but not DOM
jQuery.ajax({
    url: location.href,
    success: function(data) {
        var uni_words = [];
        var all_words = jQuery(data).find('body').text().split(/ |\ /);
        jQuery.each(all_words, function(index, item) {
            if (item.length > 1 && /^[A-Za-z][A-Za-z0-9]*$/.test(item)) {
                if (jQuery.inArray(item, uni_words) === -1) {
                    uni_words.push(item);
                }
            }
        });
        console.log(uni_words);
    }
});
*/