Mubarrat Mubarrat

## OneLinesOfUsefulJavaScriptThings.md

      
        
          
            
              
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                Mubarrat
                / OneLinesOfUsefulJavaScriptThings.md
            
            
              Last active
              May 3, 2024 20:18
            
              
                One lines of useful JavaScript things
              
          
        
      
        
  
      
    One lines of useful JavaScript things

Array

Check if a variable is an Array

const isArray = Array.isArray(arr);