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Return true if a value is in a DefineList.
list.includes(itemToFind[, fromIndex])
It uses Array.prototype.includes, an error will be thrown if it is not supported by the environment (Internet Explorer) and no polyfill is found.
import {DefineList} from "can";
const list = new DefineList(["a", "b", "c"]);
console.log(list.includes("a")); // true
console.log(list.includes("foo")); // false
console.log(list.includes("c", -100)); // true
console.log(list.includes("b", 100)); // false
Parameters
- itemToFind
{*}:The item to find in the
list. - fromIndex
{*}:The position in the
listat which to begin searching foritemToFind.
Returns
{Boolean}:
false if itemToFind is not found in the list, true otherwise