extract js data fromw eb page using scrapy

extract js data fromw eb page using scrapy

I am crawling a web page using scrapy.
Now there's some data in script tag. i got all data in script tag using
xpath and looks like this.
<script>
some data
abc.xyz=[ ["mohit","gupta","456123"]
]
some data
I want data in abc.xyz now I am stuck that how to handle this..
thanks in advance