javascript logic gates

logicgates.js

// simple good readable source
// https://www.codeproject.com/Articles/237465/Understanding-Logic-Gates
// docs
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_AND
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators


const lgates = {
  // AND : true when both inputs are true
  and : (a,b) => {return a & b},
  // OR : true when both inputs are false
  or : (a,b) => {return a | b},
  // XOR : true when one input is true and the other is false
  xor : (a,b) => {return a ^ b},
  // NOT : reverse of input true = false , false = true
  not : (a) => {
    if (~a === -1) {
      return 1;
    }
    return 0;
  },
  // NAND : is AND inverted, true when not all are true
  nand : (a,b) => {return 1 - a * b},
  // NOR : is OR inverted, true when no inputs are true
  nor : (a,b) => {
    let g = ~ (a | b);
    if (g == -1) {
      return 1;
    }
    return 0;
  },
  // XNOR : is XOR inverted, true when both inputs are same
  xnor : (a,b) => {
    if(a == b){
      return 1;
    }
    return 0;
  }
}

console.log(lgates.and(0,0)); // false
console.log(lgates.and(1,0)); // false
console.log(lgates.and(0,1)); // false
console.log(lgates.and(1,1)); // true


console.log(lgates.or(0,0)); // false
console.log(lgates.or(0,1)); // true
console.log(lgates.or(1,0)); // true
console.log(lgates.or(1,1)); // true

console.log(lgates.xor(0,0)); // false
console.log(lgates.xor(1,0)); // true
console.log(lgates.xor(0,1)); // true
console.log(lgates.xor(1,1)); // false

console.log(lgates.not(0)); // true
console.log(lgates.not(1)); // false

console.log(lgates.nand(0,0)); // true
console.log(lgates.nand(1,0)); // true
console.log(lgates.nand(0,1)); // true
console.log(lgates.nand(1,1)); // false

console.log(lgates.nor(0,0)); // true
console.log(lgates.nor(1,0)); // false
console.log(lgates.nor(0,1)); // false
console.log(lgates.nor(1,1)); // false

console.log(lgates.xnor(0,0)); // true
console.log(lgates.xnor(1,0)); // false
console.log(lgates.xnor(0,1)); // false
console.log(lgates.xnor(1,1)); // true