<TEXTAREA onfocus=selectText(this) id="TA" style="WIDTH: 166px; HEIGHT: 47px" name="Textarea1" rows="3" cols="18">sin(?)</TEXTAREA>function selectText(e)
{
sp = e.value.indexOf('?');
ep = sp + 1;
if(isNaN(sp)||isNaN(ep))
return;
var rng = e.createTextRange();
rng.moveEnd("character",-e.value.length)
rng.moveStart("character",-e.value.length)
rng.collapse(true);
rng.moveEnd("character",ep)
rng.moveStart("character",sp)
rng.select();
}
{
sp = e.value.indexOf('?');
ep = sp + 1;
if(isNaN(sp)||isNaN(ep))
return;
var rng = e.createTextRange();
rng.moveEnd("character",-e.value.length)
rng.moveStart("character",-e.value.length)
rng.collapse(true);
rng.moveEnd("character",ep)
rng.moveStart("character",sp)
rng.select();
}
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货