π‘ Array built-in methods are live saviors. In today's thread, we are going to learn about the "findIndex" array method in JavaScript.
A Threadπ§΅
A Threadπ§΅
π‘ findIndex( ):
β The findIndex method returns a first index number that passes a condition otherwise returns -1 as an output.
β It executes a callback function for each element of the array.
Syntax:
β The findIndex method returns a first index number that passes a condition otherwise returns -1 as an output.
β It executes a callback function for each element of the array.
Syntax:
π‘ Syntax Explained:
β function: it accepts a callback function that runs for each element of the array.
β item: required, current item of the array.
β index: the index of the current item of the array.
β array: the array of the current item.
β function: it accepts a callback function that runs for each element of the array.
β item: required, current item of the array.
β index: the index of the current item of the array.
β array: the array of the current item.
π‘ Example of findIndex( ):
β It returns 1 as an output because 18 is at the 1st index of the array, which passes a condition.
β It returns 1 as an output because 18 is at the 1st index of the array, which passes a condition.
π‘ Example of findIndex( ):
β It returns 4 as an output because 5 is at the 4th index of the array, which passes a condition.
β It returns 4 as an output because 5 is at the 4th index of the array, which passes a condition.
That's all for now, we will meet in the next threadπ
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β¨ JavaScript
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Thank you so much for staying to the end of this threadπ
π Follow Me @ATechAjay
For:
π Web Development
β¨ JavaScript
π Writing Skill
π₯ Motivation
πΉ Growth
β But Not For Only Resources & Shitpost π
Thank you so much for staying to the end of this threadπ
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