shockwave2k14 Posted November 6, 2014 Share Posted November 6, 2014 Hi, I created and maintained a website a few years back without javascript. I added a few snippets along the way (from Facebook and Google Analytics) but I was looking at my code and found this: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <script type="text/javascript">/* <![CDATA[ */Math.random=function(a,c,d,{return function(){return 300>d++?(a=(1103515245*a+12345)%b,a/b):c()}}(1048560673,Math.random,0,1<<21);/* ]]> */</script> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> Would someone please tell me what this script does. Thanks in Advance! Tyrone Link to comment Share on other sites More sharing options...
dustcomposer Posted November 6, 2014 Share Posted November 6, 2014 the first one is XHTML declaration and you can read about the script here (CDATA). Link to comment Share on other sites More sharing options...
justsomeguy Posted November 6, 2014 Share Posted November 6, 2014 That's a replacement for the Math.random function to generate a random number. That replacement will always generate the first 300 numbers the same, the first 300 numbers will not be random, they will always be the same sequence of 300 numbers. After that it calls the build-in Math.random function to generate random numbers. 1 Link to comment Share on other sites More sharing options...
shockwave2k14 Posted November 7, 2014 Author Share Posted November 7, 2014 That's a replacement for the Math.random function to generate a random number. That replacement will always generate the first 300 numbers the same, the first 300 numbers will not be random, they will always be the same sequence of 300 numbers. After that it calls the build-in Math.random function to generate random numbers. Thanks.....I downloaded the file with this script to my computer because I was going to remove it, but the script isn't there. I uploaded it and when I view the source code the script is still there.....How do I get rid of it? Thanks, Tyrone Link to comment Share on other sites More sharing options...
dsonesuk Posted November 7, 2014 Share Posted November 7, 2014 (edited) It seems its a script inserted by some internet providers for web acceleration purposes, if you viewing through satellite especially, just google '<
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