How to use JavaScript strings

This time I will bring you String of JavaScript, how to use it, how to use JavaScript stringWhat are the precautions, the following is a practical case , let’s take a look.

charAt()             Get the character at a specific index in the string;

toupperCase() Convert all characters in the string to uppercase letters;

indexOf( ) Return to the position of the first appeared in the specific string in the strings

Sub String () Return to a skewers of a string

# Slice A substring of , supports negative parameters (the last character in the string is set to -1)

concat() is used to add multiple strings into one string

replace()          Replace a certain substring in the string with a specific string

split()                                                                                   ’s ’ s ’ s ’ s                   ‐ to ‐ ‐ ‐ ‐‐‐‐‐‐ ‐ ‐ ‐ 1 ) Use

Searchtarget substringsearch()          Use regular expression to search for the target substring (the index is returned)

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

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