A little NN trained to learn XOR

xor.js

function XOR(d){const a={0:1,1:1,7:.05,2:2,3:-2.8,4:-.09,5:2,6:-4.8,8:.04,26:5.7,14:.9,9:10,10:4.5,11:3.3,12:6.8,13:-5.6,15:.01,27:-7.9,21:.9,16:3.8,17:6.4,18:-1.1,19:5,20:2.5,22:0,28:4.7,29:.08,23:2.2,24:-2.3,25:.5,30:.08};a[0]=d[0],a[1]=d[1],a[2]=a[3],a[3]=a[4],a[3]+=a[0]*a[5],a[3]+=a[1]*a[6],a[7]=1/(1+Math.exp(-a[3])),a[8]=a[7]*(1-a[7]),a[9]=a[10],a[10]=a[11],a[10]+=a[0]*a[12],a[10]+=a[1]*a[13],a[14]=1/(1+Math.exp(-a[10])),a[15]=a[14]*(1-a[14]),a[16]=a[17],a[17]=a[18],a[17]+=a[0]*a[19],a[17]+=a[1]*a[20],a[21]=1/(1+Math.exp(-a[17])),a[22]=a[21]*(1-a[21]),a[23]=a[24],a[24]=a[25],a[24]+=a[7]*a[26],a[24]+=a[14]*a[27],a[24]+=a[21]*a[28],a[29]=1/(1+Math.exp(-a[24])),a[30]=a[29]*(1-a[29]);var b=[];return b[0]=a[29],b}

console.log ( XOR ([ 0, 0 ]) );
console.log ( XOR ([ 0, 1 ]) );
console.log ( XOR ([ 1, 0 ]) );
console.log ( XOR ([ 1, 1 ]) );