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  <meta charset="utf-8">
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  <title>JS Bin</title>
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<script id="jsbin-javascript">
//string manipulation
concat(); //Combines the text of two or more strings and returns a new string.
indexOf();  //Returns the starting index of a substring within another string. A –1 is returned if no match is found.
charAt();  //Returns the character at the specified location.
lastIndexOf(); // Returns the index within the string of the last occurrence of the specified value, or -1 if not found.
match(); // Used to match a regular expression against a string.
substring();//  A portion of a string is returned. A starting and ending location are passed to this function.
replace(); // Used to find a match between a regular expression and a string, and to replace the matched substring with a new substring.
search(); // Executes the search for a match of a regular expression. If successful, search returns the index of the match inside the string. Otherwise, it returns -1.
slice(); // Extracts a section of a string and returns a new string.
split();//  Splits a string into an array of strings by separating the string into substrings.
length();// The length of the string is returned as the count of the number of characters it contains.
toLowerCase(); // Converts the entire string to lower case.
toUpperCase(); // Converts the entire string to upper case.
</script>


<script id="jsbin-source-javascript" type="text/javascript">//string manipulation
concat(); //Combines the text of two or more strings and returns a new string.
indexOf();  //Returns the starting index of a substring within another string. A –1 is returned if no match is found.
charAt();  //Returns the character at the specified location.
lastIndexOf(); // Returns the index within the string of the last occurrence of the specified value, or -1 if not found.
match(); // Used to match a regular expression against a string.
substring();//  A portion of a string is returned. A starting and ending location are passed to this function.
replace(); // Used to find a match between a regular expression and a string, and to replace the matched substring with a new substring.
search(); // Executes the search for a match of a regular expression. If successful, search returns the index of the match inside the string. Otherwise, it returns -1.
slice(); // Extracts a section of a string and returns a new string.
split();//  Splits a string into an array of strings by separating the string into substrings.
length();// The length of the string is returned as the count of the number of characters it contains.
toLowerCase(); // Converts the entire string to lower case.
toUpperCase(); // Converts the entire string to upper case.
</script></body>
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