jQuery/Javascript basic object property -

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im attempting create property called startposition , assign top property button's top value in css.

here jquery:

var morphobject = {      button: $('button.morphbutton'),     container: $('div.morphcontainer'),     overlay: $('div.overlay'),     content: $('h1.content, p.content'),      startposition: {         top: morphobject.button.css('top')         // top: 150,         // left: '20%',         // width: 200,         // height: 70,         // marginleft: -100     },

of course, there more, error occurs. error is: 

[error] typeerror: undefined not object (evaluating 'morphobject.button')

how can this? thanks.

morphobject not exist yet when call morphobject.button.

you move outside:

var morphobject = {     button: $('button.morphbutton'),     container: $('div.morphcontainer'),     overlay: $('div.overlay'),     content: $('h1.content, p.content'),      startposition: { } };  morphobject.startposition.top = morphobject.button.css('top');

or refer directly jquery element:

var morphobject = {     button: $('button.morphbutton'),     container: $('div.morphcontainer'),     overlay: $('div.overlay'),     content: $('h1.content, p.content'),      startposition: {         top: $('button.morphbutton').css('top')     } };

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