How to use forEach method-JS Tutorial-php.cn

How to use forEach method

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Release： 2019-02-15 10:05:31

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The forEach() method in How to use forEach method is used to call each element of the array and pass the element to the callback function. Let's take a closer look at how to use the forEach method.

How to use forEach method

Let’s first take a look at the basic syntax of forEach()

array.forEach(function(currentValue, index, arr), thisValue)

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function represents a callback function, which is required.

currentValue represents the value of the current element processed in typedArray.

index represents the index of the current element being processed in the array.

arra represents the array in which the forEach() function is being called.

Let’s look at the specific example of the forEach() method

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title></title>
</head>
<body>
<script type="text/javascript">
var fruits=["apple", "banana", "orange", "strawberry"];
fruits.forEach(function(eat) {
    console.log(eat);
});
</script>
</body>
</html>

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The execution results are as follows

How to use forEach method

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