<script type="text/javascript"> function winCenter() { //別窓の左と上の余白を求める var w = ( screen.width-640 ) / 2; var h = ( screen.height-400 ) / 2; //leftとtopに余白を指定 window.open("open_2.html","","width=640,height=400"+",left="+w+",top="+h); } </script> </head> <body> <h2>サブウィンドウを画面中央に表示</h2> <form> <input type="button" value="中央表示" onclick="winCenter()"> </form> |
<form> <input type="button" value="中央表示" onclick="winCenter()"> </form> |
<script type="text/javascript"> function winCenter() { //別窓の左と上の余白を求める var w = ( screen.width-640 ) / 2; var h = ( screen.height-400 ) / 2; //leftとtopに余白を指定 window.open("open_2.html","","width=640,height=400"+",left="+w+",top="+h); } </script> |