DenoDeno.Env.hasmethod Deno.Env.hasallow-env#Env.has(key: string): booleanCheck whether an environment variable is present or not. Deno.env.set("SOME_VAR", "Value"); Deno.env.has("SOME_VAR"); // outputs true Requires allow-env permission. Parameters ##key: stringReturn Type #boolean
method Deno.Env.hasallow-env#Env.has(key: string): booleanCheck whether an environment variable is present or not. Deno.env.set("SOME_VAR", "Value"); Deno.env.has("SOME_VAR"); // outputs true Requires allow-env permission. Parameters ##key: stringReturn Type #boolean