Javascript find if value is NOT IN array?

Jquery has an inArray() function var myArray = new Array(); var I = 0; $("li. Foo"). Each(function(){ var iBarCode = $(this).

Attr('barcode'); if( $. InArray(iBarCode, myArray) == -1 ){ myArrayi++ = iBarCode; //do something else } }).

Jquery has an inArray() function. Var myArray = new Array(); var I = 0; $("li. Foo").

Each(function(){ var iBarCode = $(this). Attr('barcode'); if( $. InArray(iBarCode, myArray) == -1 ){ myArrayi++ = iBarCode; //do something else } }).

1 your code is wrong,!($. InArray(iBarCode, myArray) fails if the element is in position 0. You should use!

~($. InArray(iBarCode, myArray) instead. – Ravan Jun 30 at 22:04 now my loop is not entering the if statement for any barcodes!

The myArray is blank at the end – sadmicrowave Jun 30 at 22:08 sadmicrowave, I wrote the if statement incorrectly, since inArray returns -1 if not found. I have updated the answer. – Gazler Jun 30 at 22:10 thank you that fixed it.

Just curious but is there a way to check if a value is in an array without jquery? Like indexOf() or something? – sadmicrowave Jun 30 at 22:12 indexOf is not supported in IE.

See this question. Stackoverflow. Com/questions/1744310/… – Gazler Jun 30 at 22:22.

The in keyword search for properties, for instance when you want to know if an object has some method available. Since you are looking for values, it always returns false. You should instead use an array search function as Gazler advises.

1 for explaining why the code isn't working. – Gazler Jun 30 at 22:00.

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