The type attribute is a generic attribute and it has different meaning based on the context in which it's used.

The yield operator is used to pause and resume a generator function.

The JavaScript exception "precision is out of range" occurs when a number that's outside of the allowed range was passed into toExponential, toFixed, or toPrecision.

An empty statement is used to provide no statement, although the JavaScript syntax would expect one.

The JavaScript exception "invalid assignment to const" occurs when it was attempted to alter a constant value. JavaScript const declarations can't be re-assigned or redeclared.

The zoomAndPan attribute specifies whether the SVG document can be magnified and panned.

The JavaScript exception "can't define property "x": "obj" is not extensible" occurs when an object is marked as non-extensible, so that it will never have properties beyond the ones it had at the time it was marked as non-extensible. Objects can be made non-extensible by calling Object.preventExtensions(), Object.seal(), or Object.freeze().

The JavaScript exception "x can't be converted to BigInt because it isn't an integer" occurs when the BigInt() function is used on a number that isn't an integer.

The JavaScript exception "TypeError: already executing generator" occurs when a generator is continued using one of its methods (such as next()) while executing the generator function's body itself.

The for statement creates a loop that consists of three optional expressions, enclosed in parentheses and separated by semicolons, followed by a statement (usually a block statement) to be executed in the loop.