people.js

people.js

var names = [], emails = [], result = [];

var value = function(nodeList, target){
        [].slice.call(nodeList).forEach(function(item){
           target.push(item.textContent); 
        });
        return target.slice(1);
    };
    
var select = function(selector){
        return document.querySelectorAll(selector);
    };
    
names = value(select('.yui-dt-col-name'), names);
emails = value(select('.yui-dt-col-email'), emails);

names.forEach(function(item, i){
    result.push({
        name: item,
        email: emails[i]
    })
});

console.log(JSON.stringify(result));