Check Typeof Javascript Array Code Example
Example 1: javascript determine array type var data = [ 'a' , 'b' , 'c' ] var isArray = Array . isArray ( data ) console . log ( isArray ) Example 2: javascript test if it is an array // If you want to test if a variable (object) is an instance of // an array. You can use the Array.isArray(varName) method // this method takes one argument, the variable or object you want to test // and returns true, if the argument is an array // or false, if the argument is not an array if ( Array . isArray ( object ) ) { // is true } else { // is false } Array . isArray ( [ 1 , 2 , 3 , 4 ] ) ; // Returns true Array . isArray ( 4 ) ; // returns false // this could be used for flattening an array of arrays Example 3: typeof array const array = [ 'this' , 'is' , 'an' , 'array' ] ; console . log ( typeof array ) ; //object