In_array () in javascript searches for element values in the array

The in_array () function is consistent with the in_array () function in php. find the element value functionin_array (v, a) {vari; for (i0; I & amp; lt;. length; I ++) {if (va [I]) {returni ;}} return-1;} return-1, indicating no... the function of in_array () is consistent with that of in_array () in php.

Js code

// Search for element values in the array

Function in_array (v, a) {var I; for (I = 0; I <. length; I ++) {if (v = a [I]) {return I ;}} return-1 ;}// return-1 indicates that no result is found, other values are returned, indicating the searched cable.