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JavaScript - Best Practices

  • Use camelCase for variable names
  • Use PascalCase for function names
  • Use strict mode ("use strict") when possible
  • Use === when possible
  • Initialize variables when declared
  • Provide a single place to initialize variables
  • Use parameter/argument defaults

Use and set parameter/argument defaults like so:


function myFunction(x, y)
{
    if (y === undefined)
    { y = 0; }
}