var a=null
a=window.open("new.htm","myname")
function test()
{
if(a && a.open && !a.closed) a.focus()
else
a=window.open("new.htm","myname")
}.....<input onclick="test()" type=button value=test>
a=window.open("new.htm","myname")
function test()
{
if(a && a.open && !a.closed) a.focus()
else
a=window.open("new.htm","myname")
}.....<input onclick="test()" type=button value=test>
解决方案 »
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