Nodejs Array Type Check isArray(input)

Method Source Code

/**/*from  ww w  .j  a  va  2  s.co  m*/
 *
 * @param input
 * @returns {boolean}
 */
function isArray(input) {
    return Object.prototype.toString.call(input) === '[object Array]';
}

Related

1. isArray(n)

   function isArray(n) {
      return n instanceof Array;
   

2. isArray(o)

   function isArray(o) {
     return Object.prototype.toString.call(o) === '[object Array]';
   

3. isarray(a)

   function isarray(a)
       return typeof a == 'object' &&
           typeof a.length == 'number' &&
           isFinite(a.length) &&
           a.length == Math.floor(a.length)
   

4. isarray(e)

   function isarray(e) {
     return (e.length && typeof e !== "string");