JavaScript TypedArray findIndex() Method18 Mar 2025 | 1 min read The JavaScript findIndex() method provides the index of the first element in the array that completes the given test. If the test is not satisfied, it will return -1.
Syntax:Parameters:Value: The value of the current element. Index: The array index of the current element. Arr: The array object on which the findIndex() method operated. ThisValue: A value to be passed to the function to be used as its "this" value. If the parameter is empty, the value "undefined" will be passed as its "this" value. Return value:Index of the array element, otherwise it returns -1. Browser Support:
Example 1JavaScript TypedArray findIndex() Method Output: -1 Example 2JavaScript TypedArray findIndex() Method Output: 5 Next TopicJavaScript TypedArray Object |
JavaScript TypedArray Method This method returns a new Array Iterator object that contains key/value pairs for each index in the array. For all item in the original array, the new iteration object will have an array with the index as the key and the item...
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JavaScript TypedArray Method The JavaScript method form a new array creates a new typed array with the results of calling a provided function on every element in this typed array. NOTE: method does not change the actual array. Syntax: array.map(function(value, index, arr), thisValue) Parameters: Value(Required): The value of...
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JavaScript TypedArray Method The JavaScript method is used to define the value of the contents in the array. Syntax: array. Parameters: No parameters Return value: Index value Browser Support: Chrome Yes Safari Yes Firefox Yes Opera Yes Example 1 JavaScript TypedArray Method. <script> //JavaScript to illustrate types() method var A = new Uint8Array([ 1,3,4,5,6,7,8,9 ]); // Calling array. method ...
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JavaScript TypedArray Method The JavaScript method is used to convert the elements of the given array into a string and these strings are separated by a comma ",". Syntax: array. Parameters: No parameters. Return value: It gives a string representing the elements of the array. Browser Support: Chrome Yes Safari Yes Firefox Yes Opera Yes Example JavaScript TypedArray Method <script> //JavaScript...
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JavaScript TypedArray slice() Method The JavaScript slice() method gives the selected elements of the array on which it is implemented. The original array remains unchanged. Syntax: Array.slice(start, end) Parameters: Start(Optional): Starting position where to start the selection. End(Optional): Ending position where to end the selection. Return value: Returns a new array that...
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JavaScript TypedArray Method The JavaScript Array method is inbuilt function in JavaScript which is used to determine whether a particular element is present in the array or not. This method returns true if the element is present in the array otherwise false. The method...
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JavaScript TypedArray Method The JavaScript method is used to reverse the array. The first element of the array becomes the last element of the array and vice versa. Syntax: Array. Parameters: No Parameters. Return value: Return the reversed original array. Browser Support: Chrome 1.0 Safari Yes Firefox 1.0 Opera Yes Example 1 JavaScript Method <script> // JavaScript to illustrate method function TpointTech()...
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JavaScript TypedArray method The JavaScript method is used to fill all the elements of array from a start index to an end index with a static value. Syntax: array.fill(value) array.fill(value, start) array.fill (value start, end ) Parameters: Value(Required): The value to fill the array. Start(Optional): The index to start filling...
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JavaScript TypedArray keys() Method The JavaScript keys() method is an inbuilt function in JavaScript. This method returns an Array Iterator object with the keys of an array. What is Iterator? An iterator is an object that keeps track of its current position, while accessing items in a collection...
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JavaScript TypedArray Method The JavaScript method is used to join all elements of an Array into a string. The elements will separated by a specified separator. The default separator is comma(,). Syntax: Array.join(separator) Parameters: It is optional, it can be either used as a parameter or not its...
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