9 added 4 characters in body
source | link

JavaScript, 151 104 100 95 9592 bytes

var a=prompta+=prompt(),b=prompt
b+=prompt()
alert(a+" is "+(a>b?"greater than ":a<b?"lesser than ":"equal to ")+b)

I managed to shorten with help of edc65

JavaScript, 151 104 100 95 bytes

var a=prompt(),b=prompt()
alert(a+" is "+(a>b?"greater than ":a<b?"lesser than ":"equal to ")+b)

I managed to shorten with help of edc65

JavaScript, 151 104 100 95 92 bytes

a+=prompt()
b+=prompt()
alert(a+" is "+(a>b?"greater than ":a<b?"lesser than ":"equal to ")+b)

I managed to shorten with help of edc65

8 added 4 characters in body
source | link

JavaScript, ~151151 104 100 95 bytes

var a=prompt(),b=prompt()
alert(a+" is "+(a>b?"greater than ":a<b?"lesser than ":"equal to ")+b)

I managed to shorten with help of edc65

JavaScript, ~151 104 100 95 bytes

var a=prompt(),b=prompt()
alert(a+" is "+(a>b?"greater than ":a<b?"lesser than ":"equal to ")+b)

I managed to shorten with help of edc65

JavaScript, 151 104 100 95 bytes

var a=prompt(),b=prompt()
alert(a+" is "+(a>b?"greater than ":a<b?"lesser than ":"equal to ")+b)

I managed to shorten with help of edc65

7 forgot one byte:); added 1 character in body
source | link

JavaScript, ~151 104 99100 9495 bytes

var a=prompt(),b=prompt()
alert(a+" is "+(a>b?"greater than ":a<b?"lesser than ":"equal to ")+b)

I managed to shorten with help of edc65

JavaScript ~151 104 99 94 bytes

var a=prompt(),b=prompt()
alert(a+" is "+(a>b?"greater than ":a<b?"lesser than ":"equal to ")+b)

I managed to shorten with help of edc65

JavaScript, ~151 104 100 95 bytes

var a=prompt(),b=prompt()
alert(a+" is "+(a>b?"greater than ":a<b?"lesser than ":"equal to ")+b)

I managed to shorten with help of edc65

6 deleted 2 characters in body
source | link
5 fixed error
source | link
4 tried to fix syntax error
source | link
3 Edited formatting, and fixed your score
source | link
2 deleted 42 characters in body
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1
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