javascript array prepend value code example
Example 1: javascript prepend element to array
var a = [1, 2, 3, 4];
a.unshift(0);
a; // => [0, 1, 2, 3, 4]Example 2: prepend to js array
var a = [1, 2, 3, 4];
a.unshift(0);
a; // => [0, 1, 2, 3, 4]var a = [1, 2, 3, 4];
a.unshift(0);
a; // => [0, 1, 2, 3, 4]var a = [1, 2, 3, 4];
a.unshift(0);
a; // => [0, 1, 2, 3, 4]