js array replace code example
Example 1: replace array element javascript
arr.splice(index,1,item);
Example 2: add elements to middle of array using splice
const strings=['a','b','c','d']
strings.splice(2,0,'alien')
console.log(strings)
Example 3: add element to array using splice
const strings=['a','b','c','d']
strings.splice(2,0,'alien')
console.log(strings)
Example 4: javascript replace array element
array.splice(array.indexOf(valueToReplace), 1, newValue);
Example 5: replace element in array typescript
const index: number = items.indexOf(element);
if (index !== -1) {
items[index] = newElement;
}
Example 6: splice typescript array
var arr = ["orange", "mango", "banana", "sugar", "tea"];
var removed = arr.splice(2, 0, "water");
console.log("After adding 1: " + arr );
console.log("removed is: " + removed);
removed = arr.splice(3, 1);
console.log("After removing 1: " + arr );
console.log("removed is: " + removed);