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Determine whether the div that can be dragged overlaps with each other

Source: Internet
Author: User
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<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <ptml xmlns = "http://www.w3.org/1999/xhtml"> <pead> <meta http-equiv =" content-Type "content =" text/html; charset = gb2312 "/> <title> Table </title> </pead> <style type =" text/css "> body {margin: 0px; padding: 0px; font-size: 12px }. div {height: 160px; width: 160px; position: absolute; text-align: center ;}. demo1 {border: 1px solid #96C2F1; background-color: # EFF7FF; left: 150px; top: 20px }. demo2 {border: 1px solid #9BDF70; background-color: # F0FBEB; left: pixel PX; top: 20px }. demo3 {border: 1px solid # BBE1F1; background-color: # EEFAFF; left: 750px; top: 20px }. demo4 {border: 1px solid #96C2F1; background-color: # EEFAFF; left: 150px; top: 220px }. demo5 {border: 1px solid # FFCC00; background-color: # FFFFF7; left: pixel PX; top: 220px }. demo6 {border: 1px solid # E3E197; background-color: # FFFFDD; left: 750px; top: 220px }. demo7 {border: 1px solid # ADCD3C; background-color: # F2FDDB; left: 150px; top: 420px }. demo8 {border: 1px solid # F8B3D0; background-color: # FFF5FA; left: pixel PX; top: 420px }. demo9 {border: 1px solid # D3D3D3; background-color: # F7F7F7; left: 750px; top: 420px }. focus {background-color: #990000 ;}</style> <body> demo1 demo2 demo3 demo4 demo5 demo6 demo7 demo8 demo9 </body> </ptml>
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