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javascript Programming Glossary: findposjQuery - use canvas to draw lines between divs http://stackoverflow.com/questions/1104295/jquery-use-canvas-to-draw-lines-between-divs the absolute position of a DOM object on a page function findPos obj var curLeft curTop 0 if obj.offsetParent do curLeft obj.offsetLeft.. case it's not clear here's how I would code it var centerX findPos document.getElementById 'x' centerX.x document.getElementById.. document.getElementById 'x' .style.height var centerZ findPos document.getElementById 'Z' centerZ.x document.getElementById..
Tracking mouse position in canvas when no surrounding element exists [closed] http://stackoverflow.com/questions/5085689/tracking-mouse-position-in-canvas-when-no-surrounding-element-exists to get the position of the canvas element function findPos obj var curleft 0 curtop 0 if obj.offsetParent do curleft obj.offsetLeft.. relative to that '#canvas' .mousemove function e var pos findPos this var x e.pageX pos.x var y e.pageY pos.y var coordinateDisplay..
Get pixel color from canvas, on mouseover http://stackoverflow.com/questions/6735470/get-pixel-color-from-canvas-on-mouseover 55 0 50 50 '#example' .mousemove function e var pos findPos this var x e.pageX pos.x var y e.pageY pos.y var coord x x y.. of jQuery and the following utility functions function findPos obj var curleft 0 curtop 0 if obj.offsetParent do curleft obj.offsetLeft..
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