Not able to highlight the mapped objects/objects in object browser

I even made a new project and record a test to mapping all from scratch, i have a form and it maps all textfields as one, if i iterate from its childs it give me several items with the same name but different index, but all these aren't in the mappin name file, if i log it's visible and visibleOnScreen property it says false and i see the objects there which is weird...



if i set the visible property to true it gave me a javascript error saying invalid arguments...