what errors are in the following javascript? document.getElementById$("$button$0").$onclick $=$ function$()\{$

runCalculator$(0)$;

$\}$

document.getElementById$("$button$1").$onclick $=$ function$()\{$

runCalculator$(1)$;

$\}$

document.getElementById$("$button$2").$onclick $=$ function$()\{$

runCalculator$(2)$;

$\}$

document.getElementById$("$button$3").$onclick $=$ function$()\{$

runCalculator$(3)$;

$\}$

document.getElementById$("$button$4").$onclick $=$ function$()\{$

runCalculator$(4)$;

$\}$

document.getElementById$("$button$5").$onclick $=$ function$()\{$

runCalculator$(5)$;

$\}$

document.getElementById$("$button$6").$onclick $=$ function$()\{$

runCalculator$(6)$;

$\}$

document.getElementById$("$button$7").$onclick $=$ function$()\{$

runCalculator$(7)$;

$\}$

document.getElementById$("$button$8").$onclick $=$ function$()\{$

runCalculator$(8)$;

$\}$

document.getElementById$("$button$9").$onclick $=$ function$()\{$

runCalculator$(9)$;

$\}$

document.getElementById$("$buttonAdd$").$onclick $=$ function$()\{$

runCalculator$("+")$;

$\}$

document.getElementById$("$buttonMinus$").$onclick $=$ function$()\{$

runCalculator$("-")$;

$\}$

document.getElementById$("$buttonMultiply$").$onclick $=$ function$()\{$

runCalculator$("*")$;

$\}$

document.getElementById$("$buttonDivide$").$onclick $=$ function$()\{$

runCalculator$("/")$;

$\}$

document.getElementById$("$buttonDecimal$").$onclick $=$ function$()\{$

runCalculator$(".")$;

$\}$

$//$ Send an empty text string if the Enter key is clicked

document.getElementById$("$buttonEnter$").$onclick $=$ function$()\{$

runCalculator$("")$;

$\}$

$//$ Clear the calculator window if the C key is clicked

document.getElementById$("$buttonClear$").$onclick $=$ clearCalculator;