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javascriptprototypestartswith

Prototype startsWith OR

I am trying to use Prototype and startsWith but I want to check a number of values and little confused how to do this.

Basically have this code:

if(Category.startsWith("[Test1] " || "Test " || "Test2 ")) { some stuff }

It doesn't appear to be working and just wondering what I am doing wrong ?

Solution

  • You need to do them individually:

    if(Category.startsWith("[Test1] ")
   || Category.startsWith("Test ")
   || Category.startsWith("Test2 ")) {
    // some stuff
}

    In JavaScript, the expression

    "[Test1] " || "Test " || "Test 2 "

    ...evaluates to "[Test1] ", because || returns the first "truthy" operand.