The Math.min() static method returns the smallest of the numbers given as input parameters, or Infinity if there are no parameters.

The Math.ceil() static method always rounds up and returns the smallest integer greater than or equal to a given number.

The Math.max() static method returns the largest of the numbers given as input parameters, or -Infinity if there are no parameters.

The Math.log() static method returns the natural logarithm (base e) of a number. That is

The lastIndexOf() method of String values searches this string and returns the index of the last occurrence of the specified substring. It takes an optional starting position and returns the last occurrence of the specified substring at an index less than or equal to the specified number.

The search() method of String values executes a search for a match between a regular expression and this string, returning the index of the first match in the string.

The trim() method of String values removes whitespace from both ends of this string and returns a new string, without modifying the original string.

The throw() method of Generator instances acts as if a throw statement is inserted in the generator's body at the current suspended position, which informs the generator of an error condition and allows it to handle the error, or perform cleanup and close itself.

The String.fromCodePoint() static method returns a string created from the specified sequence of code points.

The substr() method of String values returns a portion of this string, starting at the specified index and extending for a given number of characters afterwards.