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  1. stackoverflow.com › questions › 70659298Why is .splice(1, 0, '.') returning an empty array? (Javascript)

    Jan 10, 2022 · The splice () method changes the contents of an array by removing or replacing existing elements and/or adding new elements in place. Return Value: An array containing the deleted elements. At the end of your code, when you do .splice(1, 0, '.'), it deletes 0 elements so it will return an empty array. I'm assuming you want to get the previous ...

  2. forum.freecodecamp.org › t › why-does-splice-returnWhy does splice return an empty array if in console.log() or ...

    Jun 19, 2019 · .splice modifies the target array and returns an array of the removed elements. In the first snippet you’re passing the array of removed elements directly to console.log (an empty array is printed since no elements are removed from a1).

  3. developer.mozilla.org › Array › spliceArray.prototype.splice() - JavaScript | MDN - MDN Web Docs

    Jul 15, 2024 · The splice() method of Array instances changes the contents of an array by removing or replacing existing elements and/or adding new elements in place. To create a new array with a segment removed and/or replaced without mutating the original array, use toSpliced() .

  4. stackoverflow.com › questions › 10845075javascript - why calling split and splice gives empty array ...

    Jun 1, 2012 · Why do i get an empty array? note: i know that what i want can be accomplished by: var x = "a-b-c".split('-') x.splice(1, 0, 'z'); alert(x.join('')); since splice "modifies" the original array itself. shouldn't it modify {a,b,c} to {a,z,b,c} and then be assigned to x? got it... the code below helped me to understand.

  5. www.freecodecamp.org › news › javascript-splice-howJavaScript Splice – How to Use the .splice() JS Array Method

    Apr 23, 2021 · When no elements are removed, the splice method will return an empty array. You can choose whether to store the returned empty array to a variable or not. The following example shows how you can add a new element "March" next to "February" without deleting any elements.

  6. www.javascripttutorial.net › javascript-array-spliceJavaScript Array splice: Delete, Insert, and Replace

    The splice() method changes the original array and returns an array that contains the deleted elements. Let’s take a look at the following example. Suppose, you have an array scores that contains five numbers from 1 to 5.

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  8. www.w3schools.com › jsref › jsref_spliceJavaScript Array splice() Method - W3Schools

    The splice() method adds and/or removes array elements. The splice() method overwrites the original array.

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