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.is_def()

A function to test whether the input type is defined.

Syntax​

#fs.scripts.lib().is_def(i);

Parameters​

i​

The input to be evaluated.

Return​

Returns a boolean.

Example​

function(context, args) {
  const l = #fs.scripts.lib();
  const my_obj = {};

  return l.is_def(my_obj.undefined_prop);
}