if; else; while; do; for; return; in; instanceof; function; new; try; throw; catch; finally; null; break; continue; ---------------------------------------------------- [ ["keyword", "if"], ["punctuation", ";"], ["keyword", "else"], ["punctuation", ";"], ["keyword", "while"], ["punctuation", ";"], ["keyword", "do"], ["punctuation", ";"], ["keyword", "for"], ["punctuation", ";"], ["keyword", "return"], ["punctuation", ";"], ["keyword", "in"], ["punctuation", ";"], ["keyword", "instanceof"], ["punctuation", ";"], ["keyword", "function"], ["punctuation", ";"], ["keyword", "new"], ["punctuation", ";"], ["keyword", "try"], ["punctuation", ";"], ["keyword", "throw"], ["punctuation", ";"], ["keyword", "catch"], ["punctuation", ";"], ["keyword", "finally"], ["punctuation", ";"], ["keyword", "null"], ["punctuation", ";"], ["keyword", "break"], ["punctuation", ";"], ["keyword", "continue"], ["punctuation", ";"] ] ---------------------------------------------------- Checks for all keywords.