scratchblocks.renderMatching("pre.blocks", {languages: ["en", "de", "es", "el", "nl", "pt", "zh_CN", "tr", "nb", "ko", "it", "id", "ru", "ca", "ja", "pl", "he", "fr"],});
scratchblocks.renderMatching("code.blocks", {languages: ["en", "de", "es", "el", "nl", "pt", "zh_CN", "tr", "nb", "ko", "it", "id", "ru", "ca", "ja", "pl", "he", "fr"],});

scratchblocks.renderMatching("pre.blocks, code.blocks", {languages: ["en", "de", "es", "el", "nl", "pt", "zh_CN", "tr", "nb", "ko", "it", "id", "ru", "ca", "ja", "pl", "he", "fr"],});

Select all blocks with the same selector for speed
Select all blocks with the same selector for speed
