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Converting Lower case text to Uppercase in JavaScript

We can convert lowercase letter to upper case letter by using toUpperCase() method in JavaScript. This you must have seen in some sites were after entering your user id and when we come out of input box, it changes to uppercase. Here this function toUpperCase() is used along with a event handler. Here is the basic syntax for toUpperCase method.

var a1 = str.toUpperCase();

Here str is our string variable. The new string ( with uppercase letters ) is stored in new variable a1.

Here is the sample code

var str="This is my 1st new tutorial 123";
var a1 = str.toUpperCase();
document.write(a1);

Converting Uppercase letter to lower case using toLowerCase() method

Found anything wrong or wants to improve the code by adding more features? Post your short comment here or use the Forum

JavaScript String functions
JavaScript String object with properties
Lower case text to Uppercase text
Uppercase letter to Lower case
Bold text letters using JavaScript
String Length
Character at a location using charat function
concat(): Adding strings by concat function
Indexof function
Adding a Link to a string using link properties
replace:Search and replace part of a string function
String Reverse function
escape() & unescape function
search():Searching String inside another string
slice():Collecting part of a string using slice function
substr: Sub string of a string
substring: Sub string of a string with start and end points
Domain and userid part of email address
Text box onBlur click event changing text case

Prakash	11-03-2010
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String Functions

String Functions String Objects Uppercase text Lower case Bold text String Length charat function concat Indexof function link function replace String Reverse escape() search(): slice() substr() substring() Email address onBlur click event

Converting Lower case text to Uppercase in JavaScript

var a1 = str.toUpperCase();

var str="This is my 1st new tutorial 123"; var a1 = str.toUpperCase(); document.write(a1);

var str="This is my 1st new tutorial 123";
var a1 = str.toUpperCase();
document.write(a1);