javascript - Display specific DIV on html page while page is still displaying the content -


i have 4 div sections.
1. first div section has 5000 tables.each table has quick link 1 of below mentioned tables in 2nd or 3rd or 4th div.
2. 2d,3rd , 4th div section contains single table info.

my question is: have 1 button called expand all, when click on this, have expand div sections. since fist div taking more time load due huge data. wrote time display it.

var time_block=100; timercount = 0; $( ".displaynone" ).each(function( ) {     var show_me=this;     var show_me_time=time_block;     timervar = settimeout(function({         display_parts(show_me,show_me_time);     },time_block);     time_block=time_block+200;     timercount++;     console.log('timeout='+timervar); });  function display_parts(x,y){     $(x).css('display','block');                     }

now, problem is, when first div section starts loading, user can click on quick link jump 2nd div timer still loading contents.

but, scroll bar moves first div section , viewport displayes content of first div section.

i want display 2nd div section once user clicks on quick link in first div , let time load content in background. can help?


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