React Js Series for Beginners தமிழில் 32 : Iterate Over Array & String using for loop in Javascript

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Iteration means going through each item in a collection, like an array or a string, one by one. It helps you perform actions on every item in a list.

For instance, when iterating over an array, you might use a for loop to process each item. If you have an array of fruits like let fruits = ['apple', 'banana', 'cherry'];, a for loop can be used to print each fruit with for (let i = 0; i fruits.length; i++) { console.log(fruits[i]); }. This loop starts at index 0 and continues until it reaches the end of the array, allowing you to access and handle each fruit.

Similarly, for strings, you can use a for loop to iterate over each character. For example, with the string let word = 'hello';, you can print each character by using for (let i = 0; i word.length; i++) { console.log(word[i]); }. This loop processes each character from the start to the end of the string, letting you work with each one individually.

These looping techniques are essential for efficiently handling and processing collections of items or characters in JavaScript.


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🕘Timestamps:
00:15 - Iterate Objects Overview
00:28 - What is Iteration
01:02 - Iterate Array - for Loop
05:20 - Iterate String - for Loop


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