// checking if the given string ends with "is"letcheck1 = sentence.endsWith("is"); console.log(check1); Run Code Output true false In the above example, we are using theendsWith()method to check whethersentenceends with a specified string or not. Since, the string"JavaScript is fun"...
Check if a string ends with "world": lettext ="Hello world"; letresult = text.endsWith("world"); Try it Yourself » lettext ="Hello World"; letresult = text.endsWith("world"); Try it Yourself » More examples below. Description ...
2017-05-03 17:51 −1、获取字符串最后一位 方法一: 运用String对象下的charAt方法 charAt() 方法可返回指定位置的字符。 代码如下: str.charAt(str.length-1) 方法二: 运用String对象下的substr方法 substr() 方法可在字符串中抽取从start下标开... ...
// Define a function named endsWith that checks if a given input string ends with a specified substring.functionendsWith(input,string){// Calculate the starting index from where to search for the substring in the input string.varindex=input.length-string.length;// Check if the calculated inde...
console.log(check2); // false // second argument specifies the starting position let check3 = sentence.startsWith("JavaScript", 11); console.log(check3); // true Run Code Output true true false true Also Read: JavaScript String endsWith() JavaScript Program to Check if a String Star...
test(string); const endsWith = pattern => string => new RegExp(`.*${pattern}$`).test(string); const sports = "🏈🎳⛳⛸"; console.log(startsWith("🏈")(sports)); // true console.log(startsWith("⛸")(sports)); // false console.log(endsWith("🏈")(sports)); // ...
Check if a string ends with "Doe": lettext ="John Doe"; text.endsWith("Doe"); Try it Yourself » Check if the 11 first characters of a string ends with "world": lettext ="Hello world, welcome to the universe."; text.endsWith("world",11); ...
二、String.prototype.includes()方法 (通用子串查找) ( 1 ) 基本用法 AI检测代码解析 str.includes(searchString[, position]) 1. 概述:includes()方法用于判断一个字符串是否包含在另一个字符串中,根据情况返回true或false。 参数:①searchString要在字符串搜索的的字符串 ②position (可选)从当前字符串的哪个...
map(number => ( `A long string with the ${number}. It’s so long that we don’t want it to take up space on the .map line!` )); // good [1, 2, 3].map((number) => ( `A long string with the ${number}. It’s so long that we don’t want it to take up space ...
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