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		 function getOutdated(robots, newVersion) { 
 
var element = "[object Object]*"; 
    var indices = []; 
 
for(var i = 0; i < robots.length; i++){ 
if(robots[i].core_version< newVersion){ 
 
    robots[i]+='*'; 
} 
 
} 
var idx = robots.indexOf(element); 
 while (idx != -1) { 
  indices.push(idx); 
  idx = robots.indexOf(element, idx + 1); 
}   
    console.log(indices); 
} 
getOutdated ([{"core_version":4},{"core_version":7},{"core_versi  on":18},{"core_version":3},{"core_version":15},{"c  ore_version":8},{"core_version":5},{"core_version"  :6}],  18); 
		
	
		
		
		
		
		
		
	
		
		
	
	
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