例子:在这里,toUpperCase()方法被调用str字符串,将所有小写字母转换为大写。得到的字符串,"HELLO WORLD", 被赋值给变量upperStr. Javascript conststr ="hello world";constupperStr = str.toUpperCase();console.log(upperStr);// Output: "HELLO WORLD" 输出 HELLO WORLD 注:amanv09...
示例2:在这个例子中,该方法toUpperCase()将所有小写字母转换为其等效的大写字母,而不影响特殊字符和数字。 JavaScript // JavaScript StringtoUpperCase() method// to convert string to Uppercasefunctionfunc(){// Original stringletstr ='It iS a 5r&:ampe@@t Day.'// String converted to Upper Caselets...
To convert a string to uppercase, we can use the built-in method in JavaScript. Here is an example that converts a string to uppercase…
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 be invoked through a particular instance of the String class. Syntax In JavaScript, the syntax for the toUpperCase() me...
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Simple, free and easy to use online tool that converts strings to uppercase. No intrusive ads, popups or nonsense, just a string to uppercase converter. Load a string, get an uppercase string.
This 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 locale. Because the toLocaleUpperCase() method is a method of ...
JavaScript provides several built-in methods for manipulating strings, including one called toUpperCase() which can be used to convert the first letter of a string to uppercase.
The toUpperCase() method returns the string converted to uppercase. Example const message = "javascript is fun"; // convert message to uppercase const upperMessage = message.toUpperCase(); console.log(upperMessage); // Output: JAVASCRIPT IS FUN Run Code toUpperCase() Syntax The syntax of ...
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...