JavaScript String Object Slice method entry instance (for string interception) _ Basics

JavaScript Slice Method

The slice method is used to intercept a part of a string and return that part of the string. The syntax is as follows:

Copy Code code as follows:

Str_object.replace (start, end)

Parameter description:

Parameters	Description
Str_object	The string to manipulate (object)
Start	Necessary. The starting position to intercept, calculated from 0, or, if negative, starting at the end of the string
End	Optional. The end position to intercept, if omitted, to the end of the string, or negative, to start the calculation backwards from the end of the string

Slice Method Instance

Copy Code code as follows:

<script language= "JavaScript" >

var str = "ABCdef";
document.write (Str.slice (1) + "<br/>");
document.write (Str.slice (1,3) + "<br/>");

Get the last two characters
document.write (Str.slice ( -2) + "<br/>");
document.write (Str.slice ( -4,-2));

</script>

Run the example and output:

Copy Code code as follows:

Bcdef
Bc
Ef
Cd