var astr = "a,b,c,d"; var bstr = "a,c,f,e,w"; var s = "," + astr + "," var a = bstr.split(","); for(var i=0;i<a.length;i++){ if(s.indexOf(","+ a[i] +",")==-1){ s += a[i] + ","; } } s = s.substr(1,s.length-2); alert(s)
var astr = "a,b,c,d," var bstr = "a,c,f,e,w"; var arr = bstr.split(","); for(var i=0;i<arr.length;i+=1){ if(!astr.contains(arr[i])) astr +=","+arr[i]; }
<script type="text/javascript"> <!-- var astr = "abcd"; var bstr = "a,c,f,e,w"; for(var i = 0, result = bstr.replace(/,/g,''); i < result.length; i++) (astr.indexOf(result.charAt(i)) == -1) && (astr+=result.charAt(i)); alert(astr.split(''))//--> </script>
var astr = "a,b,c,d," var bstr = "a,c,f,e,w"; var b= bstr .split(","); for(var i=0;i <b.length;i+=1){ if(! astr.contains(b[i])) astr += ", "+b[i];
var astr = "a,b,c,d";
var bstr = "a,c,f,e,w"; var s = "," + astr + ","
var a = bstr.split(",");
for(var i=0;i<a.length;i++){
if(s.indexOf(","+ a[i] +",")==-1){
s += a[i] + ",";
}
}
s = s.substr(1,s.length-2);
alert(s)
var bstr = "a,c,f,e,w";
var arr = bstr.split(",");
for(var i=0;i<arr.length;i+=1){
if(!astr.contains(arr[i]))
astr +=","+arr[i];
}
<script type="text/javascript">
<!--
var astr = "abcd";
var bstr = "a,c,f,e,w";
for(var i = 0, result = bstr.replace(/,/g,''); i < result.length; i++)
(astr.indexOf(result.charAt(i)) == -1) && (astr+=result.charAt(i));
alert(astr.split(''))//-->
</script>
var astr = "a,b,c,d,"
var bstr = "a,c,f,e,w";
var b= bstr .split(",");
for(var i=0;i <b.length;i+=1){
if(! astr.contains(b[i]))
astr += ", "+b[i];
if(! astr.contains(b[i]))
这句总报错 对象不支持此属性或方法。
这个方法是JS api里的吗?
需要引什么文件吗