The replace () method in JavaScript uses the detailed

This article mainly introduces the use of JavaScript in the Replace () method, is the basic knowledge of JS learning, need friends can refer to the

This method finds a match between the strings of a regular expression and replaces the new substring of the matched substring.

The replacement string can contain the following special substitution modes:

Grammar

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1	String.Replace (REGEXP/SUBSTR, newsubstr/function[, flags]);

The following are the details of the parameters:

RegExp: A RegExp object. Matches the return of the parameter being replaced.

SUBSTR: A string that is replaced by newsubstr

NEWSUBSTR: It replaces #1 of substrings received from parameters.

Functions: A function is called to create a new substring

Flags: Any combination string containing the regular expression flags: G-Global match, I-ignore case, M-matches multiple rows. This parameter is only used if the first parameter is a string.

return value:

It just returns a new change to the string

Example:

The following example shows how to use global and ignore case flags to allow substitution to use the string ' oranges ' instead of ' apples '

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Example:

The following example shows how to convert a word in a string:

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