The indexOf method of String values searches this string and returns the index of the first occurrence of the specified substring It takes an optional starting position and returns the first occurrence of the specified substring at an index greater than or equal to the specified number
JavaScript Array indexOf Programiz
JavaScript String indexOf Method W3Schools
JavaScript Array indexOf Method GeeksforGeeks
In Java the String indexOf method returns the position of the first occurrence of the specified character or string in a specified string In this article we will learn various ways to use indexOf in Java Example
The indexOf method of Array instances returns the first index at which a given element can be found in the array or 1 if it is not present Element to locate in the array Zerobased index at which to start searching converted to an integer
StringprototypeindexOf JavaScript MDN MDN Web Docs
ArrayprototypeindexOf JavaScript MDN MDN Web Docs
Index Of
ArrayprototypeindexOf MDN Web Docs
indexOf Returns the index of the first occurrence of a value in an array
Difference Between indexOf and findIndex function of array
JavaScript String indexOf Method JavaScript Tutorial
Returns the first index of the element in the array if it is present at least once Returns 1 if the element is not found in the array Note indexOf compares searchElement to elements of the Array using strict equality similar to tripleequals operator or
The indexOf method in JavaScript is used to find the position of the first occurrence of a specific value in an array If the value is not present it returns 1 This method is handy for quickly determining where a particular item is located within an array
Index Of
Java String indexOf Method W3Schools
Summary in this tutorial youll learn how to use the JavaScript String indexOf method to find the index of the first occurrence of a substring within a string The StringprototypeindexOf returns the index of the first occurrence of the substring substr in a string str
The index to start the search at If the index is greater than or equal to the arrays length 1 is returned which means the array will not be searched If the provided index value is a negative number it is taken as the offset from the end of the array Note if the provided index is negative the array is still searched from front to back
Java String indexOf Method GeeksforGeeks
The indexOf method returns the position of the first occurrence of a value in a string The indexOf method returns 1 if the value is not found The indexOf method is case sensitive Required The string to search for Optional The position to start from default is 0
An int value representing the index position to start the search from char An int value representing a single character eg A or a Unicode value Technical Details Returns An int value representing the index of the first occurrence of the character in the string or 1 if it never occurs