📄 13-7.txt
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<HEAD><TITLE>Colored Frames</TITLE><SCRIPT>function setcolor(w) { // Generate a random color. var r = (Math.random() * 256).toString(16); var g = (Math.random() * 256).toString(16); var b = (Math.random() * 256).toString(16); var colorString = "#" + r + g + b; // Set the frame background to the random color. w.document.bgColor = colorString; // Schedule another call to this method in one second. // Since we call the setTimeout() method of the frame, the string // will be executed in that context, so we must prefix properties // of the top-level window with "parent." w.setTimeout('parent.setcolor(parent.' + w.name + ')', 1000); // We could also have done the same thing more simply like this. // setTimeout('setcolor(' + w.name + ')', 1000);}</SCRIPT></HEAD><FRAMESET rows="33%,33%,34%" cols="33%,33%,34%" onLoad="for(var i = 0; i < 9; i++) setcolor(frames[i]);"><FRAME NAME="f1" SRC="javascript:''"><FRAME NAME="f2" SRC="javascript:''"><FRAME NAME="f3" SRC="javascript:''"><FRAME NAME="f4" SRC="javascript:''"><FRAME NAME="f5" SRC="javascript:''"><FRAME NAME="f6" SRC="javascript:''"><FRAME NAME="f7" SRC="javascript:''"><FRAME NAME="f8" SRC="javascript:''"><FRAME NAME="f9" SRC="javascript:''"></FRAMESET>⌨️ 快捷键说明
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