Default value is the length of the string. Return Value TypeDescription A booleantrueif the string ends with the value, otherwisefalse. More Examples Check if the 11 first characters of a string ends with "world": lettext ="Hello world, welcome to the universe."; ...
// 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"...
String.slice()和String.substring()类似,都是获得一段子串,但有评测说slice的效率更高。这里不使用indexOf()的原因是,indexOf会扫描整个字符串,如果字符串很长,indexOf的效率就会很差。 1if(typeofString.prototype.endsWith != 'function') {2String.prototype.endsWith =function(suffix) {3returnthis.indexO...
此方法已被添加到ECMAScript 6规范中,可能尚未在所有JavaScript实现中提供。但是,您可以String.prototype.endsWith()使用以下代码片段进行填充: 代码语言:javascript 复制 if(!String.prototype.endsWith)String.prototype.endsWith=function(searchStr,Position){// This works much better than >= because// it compens...
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); ...
// 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...
String endsWith() Method in JavaScriptNeed to know if a string ends with something? Simple, use #ES6 "endsWith" method. You don't even need to be a developer and you can guess what's going on. Making a language more human-readable is definitely the way to go 💪const workout = '...
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...
With endsWith && startsWith, you can easily find out whether the string ends or starts with some other string: example: varstr ="this is a new world"varstartsWithRes = str.startsWith("this");//truevarendsWithRes = str.endsWith(world);//true ...
With endsWith && startsWith, you can easily find out whether the string ends or starts with some other string: example: So you don't need