JavaScript: Empty an array keeping the original
JavaScript Array: Exercise-33 with Solution
Write a JavaScript script to empty an array while keeping the original.
Sample Solution:
JavaScript Code:
// Declare and initialize an array
var arr = [1, 3, 6, 3, -5];
// Output the contents of the array before modification
console.log(arr);
// Set the length of the array to 0, effectively clearing its contents
arr.length = 0;
// Output the contents of the array after modification
console.log(arr);
Sample Output:
[1,3,6,3,-5] []
ES6 Version:
// Declare and initialize an array
let arr = [1, 3, 6, 3, -5];
// Output the contents of the array before modification
console.log(arr);
// Set the length of the array to 0, effectively clearing its contents
arr.length = 0;
// Output the contents of the array after modification
console.log(arr);
Live Demo:
See the Pen JavaScript - Empty an array keeping the original - array-ex- 33 by w3resource (@w3resource) on CodePen.
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