Negative keywords

<div class="filter"><div class="title">SEARCH TERMS <span>NEGATIVE: FREE / REPAIR</span></div><div id="terms"></div><div class="legend"><i></i> ELIGIBLE <em></em> BLOCKED</div></div>

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const terms=[['buy a desk lamp',0],['free lamp guide',1],['lamp repair near me',1],['small reading light',0]];const root=document.querySelector('#terms');root.innerHTML=terms.map(([q],i)=>'<div class="term" data-i="'+i+'"><span>'+q+'</span><b>PASS</b></div>').join('');let n=0;function draw(){root.querySelectorAll('.term').forEach((node,i)=>{const active=i<=n;node.classList.toggle('blocked',active&&!!terms[i][1]);node.querySelector('b').textContent=active?(terms[i][1]?'BLOCK':'PASS'):'WAIT'});n=(n+1)%4}draw();setInterval(draw,650);