07/04/25 23:36:17
<script>
function changeFontSize(per) {
document.body.style.fontSize = per+"%";
var iframes = document.getElementsByTagName("IFRAME");
for (var i=0; i<iframes.length; i++) {
try{
window[iframes[i].name].document.body.style.fontSize = per+"%";
} catch (e) {
};
}
}
</script>
<input type="button" value="小" onclick="changeFontSize(80)">
<input type="button" value="中" onclick="changeFontSize(100)">
<input type="button" value="大" onclick="changeFontSize(120)">
<p>あああああああええええええええおおお</p>
<iframe src="どこか" name="askfjf">
<iframe src="どこか" name="rapeef">
<iframe src="どこでも" name="fwoiea">