1222226-1.html (432B)
1 <!DOCTYPE html> 2 <style> 3 .red { color: red; } 4 </style> 5 <script> 6 document.onreadystatechange = function() { 7 if (document.readyState == "complete") { 8 var arr = ["s2","s3"]; 9 arr.forEach(function(n) { 10 document.getElementById(n).className = "red"; 11 }); 12 } 13 }; 14 </script> 15 <div> 16 <span id="s1">test</span><br /> 17 <span id="s2">test</span><br /> 18 <span id="s3">test</span><br /> 19 <span id="s4">test</span><br /> 20 </div>