function compare(a, b) {
var sa = JSON.stringify(a), sb = JSON.stringify(b);
console.log(sa + " < " + sb + " --> " + (a < b));
console.log(sa + " > " + sb + " --> " + (a > b));
console.log(sa + " <= " + sb + " --> " + (a <= b));
console.log(sa + " >= " + sb + " --> " + (a >= b));
console.log(sa + " == " + sb + " --> " + (a == b));
}
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