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JS current property query implementation code

Source: Internet
Author: User
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<! Doctype html> <pead> <meta charset = "UTF-8"/> <title> website title </title> <style type = "text/css"> # div1. bObject {cursor: pointer; color: Blue ;}# div1. bError {color: Red ;}# div1 div {margin-left: 20px; border: solid 1px gray; padding: 5px ;}# div1 th {text-align: left; background-color: # fef;} # div1 td {vertical-align: top ;} </style> </pead> <body> <input id = "txt" type = "text" value = "window" style = "width: 300px; "/> <input onclick =" getObject (); "type =" button "value =" test "/> <input onclick =" goUp (); "type =" button "value =" Forward "/> <input id =" chkNull "type =" checkbox "checked/> <label for =" chkNull "> block null values </label> </body> </ptml>
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