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You have to inject the value of current into an Attribute Equals selector:

$("ul").find(`[data-slide='${current}']`) 

For older JavaScript environments (ES5 and earlier):

$("ul").find("[data-slide='" + current + "']"); 

For support of both jQuery and attribute set data values

$("ul").find(function () { return $(this).data('slide') === current }); 

You have to inject the value of current into an Attribute Equals selector:

$("ul").find(`[data-slide='${current}']`) 

For older JavaScript environments (ES5 and earlier):

$("ul").find("[data-slide='" + current + "']"); 

You have to inject the value of current into an Attribute Equals selector:

$("ul").find(`[data-slide='${current}']`) 

For older JavaScript environments (ES5 and earlier):

$("ul").find("[data-slide='" + current + "']"); 

You have to inject the value of current into an Attribute Equals selector:

$("ul").find(`[data-slide='${current}']`) 

For older JavaScript environments (ES5 and earlier):

$("ul").find("[data-slide='" + current + "']"); 

For support of both jQuery and attribute set data values

$("ul").find(function () { return $(this).data('slide') === current }); 

You have to inject the value of current into an Attribute Equals selector:

$("ul").find(`[data-slide='${current}']`) 

For older JavaScript environments (ES5 and earlier):

$("ul").find("[data-slide='" + current + "']"); 

You have to inject the value of current into an Attribute Equals selector:

$("ul").find(`[data-slide='${current}']`) 

For older JavaScript environments (ES5 and earlier):

$("ul").find("[data-slide='" + current + "']");