Child Element Count
Paramters: elem
Description: Used to find the count of child elements considering given the element as a parent.
JavaScript:
navigateTo("https://www.apple.com/ ");
click(link("Apple[1]"));
click(link("iPad"));
var dyn1 = childElementCount(div('ac-gn-content'));
assertEquals(4,dyn1);
//log(childElementCount('.ac-gn-content'));//class name selector
assertEquals(14,childElementCount(div('main'))); //id selector