Sep 19, 2010 · When using substring the second parameter is the first index not to include: var s = "string"; s.substring(1, 3); // would return 'tr' var s = "another example"; s.substring(3, 7); // …

Apr 4, 2013 · javascript substring. Ask Question Asked 15 years, 5 months ago. Modified 4 years, 11 months ago. Viewed ...

Feb 11, 2010 · substring() extracts parts of a string and returns the extracted parts in a new string. Note #2: slice()==substring() Changes the Original String? slice() doesn't; substr() doesn't; …

in this case we make use of the fact that the second argument of substr is a length, and that we know our substring is starting at 0. the top answer is not a generic solution because of the …

Nov 24, 2009 · @Gavin by default if I want to know if something is a substring, I imagine it would be case-sensitive. After all, "A" and "a" are different characters. The OP never requested a …

myArray.findIndex(element => element.includes("substring")) findIndex() is an ES6 higher order method that iterates through the elements of an array and returns the index of the first element …

Jun 14, 2016 · I have a string containing a person's first and last name such as John Doe. I would like to convert this string to John D. Normally, I would just use substring(0,1) on the last name …

The native JavaScript String method substr can accomplish what you need. Just supply the starting index and omit the length parameter, and it grabs all the way to the end. Just supply …

Aug 15, 2010 · The default string representation of an array in JavaScript is the elements of the array separated by commas. In this case the desired result is in the second element of the …

Oct 24, 2010 · /** Function that count occurrences of a substring in a string; * @param {String} string The string * @param {String} subString The sub string to search for * @param …