求函数，在一个字符串中查找另一个字符串？

[killerdanny]

<script>
var a="1:发电厂,qs0001:一期,jz0000:全厂设备,jz0001:1号机组,jz0002:2号机组,jz0003:3号机组,jz0004:4号机组,jz0005:5号机组,jz0006:6号机组,
"
var b="发电厂"
alert(a.split(b).length-1)
</script>

[ygjwjj]

<script>
var a="1:发电厂,qs0001:一期,jz0000:全厂设备,jz0001:1号机组,jz0002:2号机组,jz0003:3号机组,jz0004:4号机组,jz0005:5号机组,jz0006:6号机组";
var b="发电厂";
alert(a.indexOf(b));
</script>

[zhangjun]

楼上的对

[z_kai]

<script language=vbscript>
a="1:发电厂,qs0001:一期,jz0000:全厂设备,jz0001:1号机组,jz0002:2号机组,jz0003:3号机组,jz0004:4号机组,jz0005:5号机组,jz0006:6号机组,
"
a=split(a,",")
</script>

呵呵，，a(0)＝1:发电厂 a(1)＝qs0001:一期