<SCRIPT LANGUAGE='JAVASCRIPT'>
var ASCPrintable=' !\"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~';function test(str){
if (str.length==0) return false;
var abc = "";
for(var i=0; i<str.length; i++){
var t = str.charAt(i);
if (ASCPrintable.indexOf(t)==-1) abc += t;else continue;
}
alert(abc);
}
</SCRIPT>
测试,你试一下
var ASCPrintable=' !\"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~';function test(str){
if (str.length==0) return false;
var abc = "";
for(var i=0; i<str.length; i++){
var t = str.charAt(i);
if (ASCPrintable.indexOf(t)==-1) abc += t;else continue;
}
alert(abc);
}
</SCRIPT>
测试,你试一下
解决方案 »
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