JavaScript Anonymous Functions - Assignment to Variable
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Part of Course: D3 Data Manipulation
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Takeaways:

  • Anonymous Functions are a big part of D3 Data Visualization Example Code
  • Anonymous Functions differ from Named Functions in JavaScript by lacking a name with which to refer them to
  • JavaScript functions are first class objects
  • You can assign JavaScript function to variables, which means you can assign anonymous JavaScript functions to variables
  • You can later pass a value (or values) to this variable holding the anonymous function and have the anonymous function use the value(s) you pass to it
  • An Anonymous JavaScript function assigned to a variables is not immediately called
  • An Anonymous JavaScript function assigned to a variable can be called at a later time
  • An Anonymous JavaScript function assigned to a variable can take in zero or any number of arguments



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