A JavaScript string stores a series of characters like "tutorial from java2s.com".
A string can be any text inside double or single quotes.
The characters in String are zero-based indexed: The first character is in position 0, the second in 1, and so on.
Property | Description |
---|---|
constructor | Create a string object |
length | Returns the length of a string |
prototype | Add properties and methods to an object |
Method | Description |
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charAt() | Get the character by index |
charCodeAt() | Get the Unicode of the character by index |
concat() | Add two or more strings together |
fromCharCode() | Converts Unicode values to characters |
indexOf() | Search the first found occurrence of sub string |
lastIndexOf() | Search the last occurrence of a sub string |
localeCompare() | Compares two strings in the current locale |
match() | Pattern match a string and returns the matches |
replace() | Searches a string for a specified value, or a regular expression, and returns a new string |
search() | Searches a string for a specified value, or regular expression, and returns the position of the match |
slice() | Extracts a sub string and returns a new string |
split() | Splits a string into an array of substrings |
substr() | Get sub string |
substring() | Get the characters from a string, between two specified indices |
toLocaleLowerCase() | Converts a string to lowercase letters, according to the host's locale |
toLocaleUpperCase() | Converts a string to uppercase letters, according to the host's locale |
toLowerCase() | Converts a string to lowercase letters |
toString() | Returns the value of a String object |
toUpperCase() | Converts a string to uppercase letters |
trim() | Removes whitespace from both ends of a string |
valueOf() | Returns the primitive value of a String object |
Method | Description |
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anchor() | Creates an anchor |
big() | Render a string using a big font |
blink() | Render a blinking string |
bold() | Render a string in bold |
fixed() | Show a string using a fixed-pitch font |
fontcolor() | Show a string using a specified color |
fontsize() | Render a string using a specified size |
italics() | Show a string in italic |
link() | Show a string as a hyperlink |
small() | Show a string using a small font |
strike() | Show a string with a strikethrough |
sub() | Show a string as subscript text |
sup() | Show a string as superscript text |