array pair loop

let a = [1,2,3,4,5];
let b = [1,2,3,4,5];

let lp = function(arr1, arr2){
    arr1.forEach(a1 =>{
        arr2.forEach(a2 =>{
            console.log(a1,a2);
        });
    });
};
lp(a,b)

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array pair loop

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