google autocomplete scrapper

gac-scrapper.js

d = function(msg) {
    console.log(msg)
}

A = [] 
var arrayUnique = function(a) {
    return a.reduce(function(p, c) {
        if (p.indexOf(c) < 0) p.push(c);
        return p;
    }, []);
};

var splitByNewLine = function(s) {
   if (!s) { return []; }
   return s.split(/\r\n|\r|\n/g) 
} 

gac_scrapper = function () {
    console.log(document.querySelector('#gsr').innerText)
}

new MutationObserver(
    gac_scrapper
)

// select the target node
var target = document.querySelector('#gsr > div.gstl_0.sbdd_a > div:nth-child(2) > div.sbdd_b > div > ul');
//var target = document.body
//var target = document.querySelector('#gsr');
// create an observer instance
var observer = new MutationObserver(function(mutations) {
  mutations.forEach(function(mutation) {
    //console.log(mutation.type);
    //d(mutation.target.innerText)
    //lines = splitByNewLine(mutation.target.innerText)
    //ac_list = document.querySelector('#gsr > div.gstl_0.sbdd_a > div:nth-child(2) > div.sbdd_b > div > ul');
    ac_list = mutation.target
    if (ac_list) {
        lines = splitByNewLine(ac_list.innerText.toLowerCase())
        lines.forEach(function(line)
        {
            A.push(line);
        });
        A = arrayUnique(A);
        A = A.sort();
        d(A.length);
    }  
  });    
});
 
// configuration of the observer:
var config = { attributes: true, childList: true, characterData: true };
 
// pass in the target node, as well as the observer options
observer.observe(target, config);