html - How to get sub attribute value using cheerio in javascript -


i using cheerio library data scraping. trying value of tag using below

var sparkline = $(this)   .find("td")   .eq(7).text;

html

<td><a href="/currencies/bitcoin/#charts"><img class="sparkline" alt="sparkline" src="https://files.coinmarketcap.com/generated/sparklines/1.png"></a></td>

it returns undefined there no value of td tag , child tag. know how img src value here ?

it works below html

var sparkline = $(this)   .find("td")   .eq(6).text;

html

<td class="no-wrap percent-24h  negative_change text-right" data-usd="-4.85" data-btc="0.00" >-4.85%</td>


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