How javascript converts strings to uppercase
In this issue, the editor will bring you about how javascript converts strings into uppercase. The article is rich in content and analyzes and narrates it from a professional point of view. I hope you can get something after reading this article.
Conversion method: 1, use toUpperCase () function, syntax "stringObject.toUpperCase ()"; 2, use toLocaleUpperCase () function, syntax "stringObject.toLocaleUpperCase ()".
The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.
1. Use the toUpperCase () function to convert a string to uppercase
The toUpperCase () method is used to convert strings to uppercase.
Grammar
StringObject.toUpperCase ()
Return value
A new string in which all lowercase characters of the stringObject are converted to uppercase characters.
Example
Var str= "Hello World!" [xss_clean] (str.toUpperCase ())
Output:
HELLO WORLD!
2. Use the toLocaleUpperCase () function to convert the string to uppercase
The toLocaleUpperCase () method is used to convert strings to uppercase.
Grammar
StringObject.toLocaleUpperCase ()
Return value
A new string in which all lowercase characters of the stringObject are converted to uppercase characters.
Description
Unlike toUpperCase (), the toLocaleUpperCase () method converts strings to uppercase locally. Only a few languages, such as Turkish, have local case mappings, and the return value of all this method is usually the same as toUpperCase ().
Example
Var str= "Hello World!" [xss_clean] (str.toLocaleUpperCase ())
Output:
HELLO WORLD! This is how the javascript shared by the editor converts strings to uppercase. If you happen to have similar doubts, please refer to the above analysis to understand. If you want to know more about it, you are welcome to follow the industry information channel.
