javascript - How Can I wait to an element to appears using protractor and my file conf? -

i'm trying using protractor wait input 'username' appears , insert value on it. how can it?

browser.get('http://localhost:5555/#'); var login = browser.driver.findelement(by.id('username')); 

use expected conditions wait conditions, i.e. element present or visible. use sendkeys fill input.

var login = element(by.id('username')); var ec = protractor.expectedconditions; browser.wait(ec.presenceof(login)).then(function() {     login.sendkeys('myuser'); }); 

this belongs in spec, not config.