JavaScript String startsWith() Method
Example
Check if a string starts with "Hello":
var str = "Hello world, welcome to the universe.";
var n = str.startsWith("Hello");
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More "Try it Yourself" examples below.
Definition and Usage
The startsWith()
method determines whether a string begins with the
characters of a specified string.
This method returns true
if the string begins with the characters, and false
if not.
Note: The startsWith()
method is case sensitive.
Browser Support
Method | |||||
---|---|---|---|---|---|
startsWith() | 41 | 12.0 | 17 | 9 | 28 |
Syntax
string.startsWith(searchvalue, start)
Parameter Values
Parameter | Description |
---|---|
searchvalue | Required. The string to search for |
start | Optional. Default 0. At which position to start the search |
Technical Details
Return Value: | A Boolean. Returns true if the string starts with the value, otherwise it returns false |
---|---|
JavaScript Version: | ECMAScript 6 |
More Examples
Check if a string starts with "world", starting the search at position 6:
var str = "Hello world, welcome to the universe.";
var n = str.startsWith("world", 6);
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