UseString.toUpperCase()to transform all text in a string to uppercase. vartext='This sentence has some MIXED CASE LeTTeRs in it.';// returns "THIS SENTENCE HAS SOME MIXED CASE LETTERS IN IT."varupper=text.toUpperCase(); Source https://vanillajstoolkit.com/reference/strings/string-touppercas...
This JavaScript tutorial explains how to use the string method called toUpperCase() with syntax and examples. Description In JavaScript, toUpperCase() is a string method that is used to convert a string to uppercase. Because the toUpperCase() method is a method of the String object, it must ...
JS Array Methods JavaScript: String toLocaleUpperCase() methodThis JavaScript tutorial explains how to use the string method called toLocaleUpperCase() with syntax and examples.Description In JavaScript, toLocaleUpperCase() is a string method that is used to convert a string to uppercase based on local...
const str = "Hello World"; const lowerCase = str.toLowerCase(); // "hello world" // toUpperCase():将字符串转换为大写,并返回新的字符串。 const str = "Hello World"; const upperCase = str.toUpperCase(); // "HELLO WORLD" // toString():将一个数值转换为字符串。 const num = 42; co...
In this article, we'll learn to build a functionality that could capitalize only the first character of the string. Let's consider an example: const message = 'hello world!'; Let's say I want to make the h in the above string to uppercase. I could do that by selecting the first...
letresult = text.toUpperCase(); Try it Yourself » Description ThetoUpperCase()method converts a string to uppercase letters. ThetoUpperCase()method does not change the original string. See Also: The toLowerCase() Method The toLocaleLowerCase() Method ...
6. toLowerCase(), toUpperCase(), toLocalLowerCase(), toLocalUpperCase(). 7. match,类似RegExp的exec()方法. var stringValue="bat,cat"; var patter=/.at/; stringvalue.match(patter); 8. Search(). 类似match(), 返回字符串的索引项,没有返回-1. ...
Answer:C) uppercase Explanation: AngularJS filteruppercaseis used to format a string to upper case. Learn & Test Your Skills Python MCQsJava MCQsC++ MCQsC MCQsJavaScript MCQsCSS MCQsjQuery MCQsPHP MCQsASP.Net MCQs Artificial Intelligence MCQsData Privacy MCQsData & Information MCQsData Science MCQ...
In this example, we retrieve a specific character in the string using the charAt() method and try to convert it to uppercase using the toUpperCase() method.Open Compiler JavaScript String toUpperCase() Method const str = "Tutorialspoint"; document.write("String str = ", str...
String.prototype.toLocalLowerCase() 根据当前区域设置,将符串中的字符转换成小写。对于大多数语言来说,与String.prototype.toLowerCase()的返回值是一致的。 String.prototype.toUpperCase() 将字符串转换成大写并返回。 String.prototype.toLocalUpperCase() ...