What is the use of "setLocation" method in the below code?

[yogesh15dd]

Hi, i have the below jelly code in one of the UI pages, not sure what is the use of this? especially the use of "setLocation" method?

Here i the "pageNumber" value will be 1 and finally grOffset   will be equal to = 0 (zero) , then using the zero in setLocation will be like "current.setLocation(- 1)", what is the use of this?, where it sets "-1"??

I tried changing the value of this to current.setLocation(50), but found no changes in the results.

Thinking is it really required?

Any suggestions are most welcome.

Jelly code:

<j2:if test="${RP.getParameterValue('sysparm_page') != ''}">

          <g2:evaluate var="jvar_page_number" jelly="true">

                var pageNumber = RP.getParameterValue('sysparm_page') + '';

                pageNumber = parseInt(pageNumber, 10);

                if (isNaN(pageNumber) || pageNumber ${LT} 1)

                      pageNumber = 1;

                var grOffset = (pageNumber - 1) * jelly.jvar_max_entries;

                current.setLocation(grOffset - 1)

          </g2:evaluate>

    </j2:if>

[yogesh15dd]

we are using jelly.jvar_max_entries = 20

[Jim Coyne]

It sets the current row location in a GlideRecord object - GlideRecord - ServiceNow Wiki

[yogesh15dd]

thanks, i have read this wiki page already. my doubt is why isn't the result table rows position getting changed if I change the value for "pageNumber"?? like i find no difference in the result table page with this script part removed.