Javascript string indexof() method : the indexof() method is used to return the index value of specified string. it will give the index of string comes first from the start. we can also start ...

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Javascript string search() method : the search() method is used to search a specific string within a given string. it returns the index of the searched string and if no string matched then it returns ...

Array objects cannot use arbitrary strings as element indexes (as in an associative array) but must use nonnegative integers (or their respective string form). Setting or accessing via non-integers ...