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JavaScript Array from() Method
JavaScript Array from() Method
The JavaScript Array from() method is an inbuilt function in JavaScript which returns an array object from a given array with a length property or an iterable object. In case of string, every alphabet of the string is converted of the new array to an element and new array instance simple take the elements of the given array in case of integer values.
SyntaxArray.from(object, mapFunction, thisValue)
Parameter Values
| Property | Description |
|---|---|
| object | It required the object to convert to an array |
| mapFunction | It is optional parameter, used for a map function to call on each item of the array |
| thisValue | It is optional parameter used for a value to use as this when executing the mapFunction |
Browser Support
| Method | Chrome | Edge | Firefox | Safari | Opera |
|---|---|---|---|---|---|
| from() | 45.0 | 12.0 | 32.0 | 9 | 25.0 |
<!DOCTYPE html>
<html>
<body>
<p id="arrfrom"></p>
<script>
var myArrfrm = Array.from("123456");
document.getElementById("arrfrom").innerHTML = myArrfrm;
</script>
</body>
</html>
Output:
Example 2:
<!DOCTYPE html>
<html>
<body>
<p id="arrfrom1"></p>
<script>
var myArrfrm1 = Array.from("phptpointtraining");
document.getElementById("arrfrom1").innerHTML = myArrfrm1;
</script>
</body>
</html>
Output:
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