JavaScript string object introduction instance of the charAt method (used to get the character at the specified location)
- 2020-03-30 04:09:15
- OfStack
JavaScript charAt method
The charAt method is used to get the character at the specified position from the string. The syntax is as follows:
str_object.charAt( x )
Parameter description:
parameter | instructions |
---|---|
str_object | String (object) to manipulate |
x | A necessity. A number that represents a position |
Tip: strings are counted from 0.
Instance of the charAt method
<script language="JavaScript">
document.write( "jb51".charAt( 1 ) );
</script>
Run the example and output:
b
Tip: this method returns an empty string if the argument x is not between 0 and the maximum length of the string.