Danny Andrews danny-andrews

## array-cheat-sheet.md

      
        
          
            
              
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                danny-andrews
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              August 25, 2021 21:24
                — forked from rauschma/array-cheat-sheet.md
            
          
        
      
        
  
      
    Cheat sheet: JavaScript Array methods

Finding Array elements:
['■', '●', '■'].includes('■')           ⟼ true
['■', '●', '■'].indexOf('■')            ⟼ 0
['■', '●', '■'].lastIndexOf('■')        ⟼ 2
['■', '●', '■'].find(x => x==='■')      ⟼ '■'
['■', '●', '■'].findIndex(x => x==='■') ⟼ 0