Javascript lastindexof。 Java String lastIndexOf() Method

Java String lastIndexOf() Method

Lastindexof javascript

If negative, it is taken as the offset from the end of the array. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. lastIndexOf "planet" ; Definition and Usage The lastIndexOf method returns the position of the last occurrence of specified character s in a string. Defaults to the array's length, i. While using W3Schools, you agree to have read and accepted our ,. Tip: Use the method to return the position of the first occurrence of specified character s in a string. If the index is greater than or equal to the length of the array, the whole array will be searched. Examples might be simplified to improve reading and learning. , the whole array will be searched. lastIndexOf method returns the last index at which a given element can be found in the array, or -1 if it is not present. lastIndexOf searchElement[, fromIndex] ; Parameter Details• g '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 More Examples W3Schools is optimized for learning and training. If omitted, the default value is the length of the string char An int value, representing a single character, e. Return Value Returns the index of the found element from the last. Syntax There are 4 lastIndexOf methods: public int lastIndexOf String str public int lastIndexOf String str, int fromIndex public int lastIndexOf int char public int lastIndexOf int char, int fromIndex Parameter Values Parameter Description str A String value, representing the string to search for fromIndex An int value, representing the index position to start the search from. The array is searched backwards, starting at fromIndex.。 。 。

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Java String lastIndexOf() Method

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Java String lastIndexOf() Method

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Java String lastIndexOf() Method

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