in array jquery

1if(jQuery.inArray("test", myarray) !== -1)
2

1function isInArray(value, array) {
2return array.indexOf(value) > -1;
3}

1$.inArray( 5 + 5, [ "8", "9", "10", 10 + "" ] );
2

1The Array. of() method creates a new Array instance from a variable number of 
2arguments, regardless of number or type of the arguments. The difference between
3Array. of() and the Array constructor is in the handling of integer arguments: Array.

1array.includes(élémentRecherché)
2array.includes(élémentRecherché, indiceDépart)
3