javascript - Getting Json element value from the Element ID -

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have question while learning javascript , javascript fm. understand how possible access to

{ element: 1 }, { element: 2},...

because inside detailed information array.

and next step, need make json format executes like

[{name: "myname", surname: "mysurname"}, {name: "myname", surname: "mysurname"}]

and need of the

{ element:1}, {element:2}, ....

i'm using nightwatch.js , code right looks :

.elements('css selector', 'ul li', function(res){     console.log(res.value)     console.log(res.value[1].element)     browser.elementidattribute(res.value[1].element, 'li', function(newres) {       console.log(newres.value)     })   })

this executes 

[ { element: '1' },   { element: '2' },   { element: '3' },   { element: '4' } ] 2 null

here html:

<html> <meta charset="utf-8"> <body> <ul class="random">     <li class="list">         <div class="name">nick</div>         <div class="surname">kyrgios</div>         <div class="age">22</div>         <div class="city">london</div>     </li>      <li class="list odd">         <div class="name">nick</div>         <div class="surname">kyrgios</div>         <div class="age">22</div>         <div class="city">london</div>     </li>     <li class="list">         <div class="name">nick</div>         <div class="surname">kyrgios</div>         <div class="age">22</div>         <div class="city">london</div>     </li>      <li class="list odd">         <div class="name">nick</div>         <div class="surname">kyrgios</div>         <div class="age">22</div>         <div class="city">london</div>     </li> </ul> </body> </html>

here link documentation (if needed) http://nightwatchjs.org/api#elementidvalue

what want achieve not possible.

you null because you're using wrong command. can see here, used set values elements. https://github.com/nightwatchjs/nightwatch/blob/master/lib/api/element-commands.js#l293

what want use .elementidtext like:

module.exports = {   'test' : function(browser) {      function iterate(elements) {       elements.value.foreach(function(el) {         browser.elementidtext(el.element, function(r) {           console.log(r.value);         });       });     }      browser       .url('http://simsonivini.lv/nightwatch.php')       .waitforelementvisible('body', 8000)       .elements('css selector', 'ul li div', iterate)       .end();   } };

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