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include函数_include（）函数以及JavaScript中的示例
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include函数_include（）函数以及JavaScript中的示例
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include函數(shù)
includes() is a predefined function in JavaScript, which is used to check whether a given element exists in the array or not?
include()是JavaScript中的預(yù)定義函數(shù)，用于檢查數(shù)組中是否存在給定元素？
Example:
例：
<html> <head> <title>JavaScipt Example</title> </head><body><script>//arrayvar cities = ["New Delhi", "Mumbai", "Chennai", "Banglore"];//checking whether "New Delhi" exists or notif(cities.includes("New Delhi")==true)document.write("New Delhi exists in the array");elsedocument.write("New Delhi does not exist in the array");document.write("<br>");//checking whether "Pune" exists or notif(cities.includes("Pune")==true)document.write("Pune exists in the array");elsedocument.write("Pune does not exist in the array");document.write("<br>"); </script> </body> </html>Output
輸出量
New Delhi exists in the array Pune does not exist in the array翻譯自: https://www.includehelp.com/code-snippets/includes-function-with-example-in-javascript.aspx
include函數(shù)
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