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Xiaobian to share with you how js replaces specific values in the array, I believe most people still do not know how, so share this article for everyone's reference, I hope you have a lot of harvest after reading this article, let's go to understand it together!

Replace a specific value in an array

The splice() method adds/removes items to/from the array and returns the deleted items. This method changes the original array. Pay special attention to where you insert the value!

// arrayObject.splice(index,howmany,item1,....., itemX)var plants = ['Saturn', 'Uranus', 'Mercury', 'Venus', 'Earth', 'Mars', 'Jupiter'];var result = plants.splice(2, 1, ' www.shanzhonglei.com ')console.log(plants);// ['Saturn',' Uranus','www.shanzhonglei.com',' Mercury','Venus',' Earth','Mars',' Jupiter'] console.log (result); // ['Mercury'] above is "How js replaces specific values in arrays" All the contents of this article, thank you for reading! I believe that everyone has a certain understanding, hope to share the content to help everyone, if you still want to learn more knowledge, welcome to pay attention to the industry information channel!

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