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javascript-2020 · javascript-2020 · commit 38917e172c11 · 2026-02-03T12:31:10.000Z
diff --git a/utils/editors/js-console/html/output-console/v3.0/output-console-v3.0.html b/utils/editors/js-console/html/output-console/v3.0/output-console-v3.0.html
@@ -246,6 +246,8 @@
         
         btn.iframe.show   = function(chk){
         
+              if(!iframe)return;
+              ]
               if(chk.checked){
                     iframe.style.display    = '';
               }else{
