add key value pair to all objects in array
var arrOfObj = [{
name: 'eve'
}, {
name: 'john'
}, {
name: 'jane'
}];
var result = arrOfObj.map(function(el) {
var o = Object.assign({}, el);
o.isActive = true;
return o;
})
console.log(arrOfObj);
console.log(result);create pair foreach item in array
arr = [1, 2, 3, 4];
function pairwise(arr, func){
for(var i=0; i < arr.length - 1; i++){
func(arr[i], arr[i + 1])
}
}
pairwise(arr, function(current, next){
console.log(current, next)
})Copyright © 2021 Codeinu
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