I need help on jquery/javascript -

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OK, therefore, I have a question. I'm getting element id like this 

 . & Lt; TD ID = "ctl00_cphRoblox_lstItemsForResale_ctrl1_Td1" class = "PriceBuyContainer" & gt;

document.getElementById ("ctl00_cphRoblox_lstItemsForResale_ctrl1_Td1") and below it 

  & lt ;. Div class = "Roblox- purchase-now btn-primary btn small PurchaseButton" data-item-id = "168167114" data-item-name = "wanwood visor" data-userasset-id = "1941846042" data-product-id = "20655974" data-expected-value = "114" data-asset-type = "hats" data-expected-currency = "1" data-expected-vendor-id = "6141596" data-BC-requirement = "0 "Data-vendor-name =" laugh blogs "& gt; Buy Now & lt; Span class = "btn-text" & gt; Buy Now & lt; / Span & gt; & Lt; / Div & gt;

Will I get the data-expected-value = "NUMBERHERE" ? 

  by document.getElementById ("ctl00_cphRoblox_lstItemsForResale_ctrl1_Td1"   
 
 
 Use JQuery   First, you can grab  TD  element via jQuery: 
 
  above = $ ("# Ctl00_cphRoblox_lstItemsForResale_ctrl1_Td1 ");  
 
 Then find and use this first child element: To return the value of expected value data attribute to the data (): 
 
  Alert (el.find ('& gt; div'). Data ('expected value'));  
 
   
 
 < / Html>

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