mutableCloining

mutableCloining.ts

const addition = (param) => {
console.log(param)      //    []                            

const copiedParam = param

console.log('param', param, 'copiedParam', copiedParam)     //    param [] copiedParam []

param.push(11111)
copiedParam.push(22222)
console.log('param', param, 'copiedParam', copiedParam)      //      param [11111, 22222] copiedParam [11111, 22222]

return {param: param, copiedParam:copiedParam}      // {param: [11111, 22222], copiedParam: [11111, 22222]}

}

const a = []
addition(a)