JavaScript Examples Bible - UserWorks Technologies

Chapter 16 ✦ String and Number Objects (Chapters 34 and 35)
string.slice(startIndex [, endIndex])
NN2 NN3 NN4 NN6 IE3/J1 IE3/J2 IE4 IE5 IE5.5
Compatibility ✓ ✓ ✓ ✓ ✓
Example
With Listing 34-5, you can try several combinations of parameters with the
string.slice() method (see Figure 16-3). A base string is provided (along with
character measurements). Select from the different choices available for parameters
and study the outcome of the slice.
Listing 34-5: Slicing a String
String Slicing and Dicing, Part I
var mainString = “Electroencephalograph”
function showResults() {
var form = document.forms[0]
var param1 = parseInt(form.param1.options[form.param1.selectedIndex].value)
var param2 = parseInt(form.param2.options[form.param2.selectedIndex].value)
if (!param2) {
form.result1.value = mainString.slice(param1)
} else {
form.result1.value = mainString.slice(param1, param2)
}
}
String slice() Method
Text used for the methods:
Electroencephalograph
----5----5----5----5-
String MethodMethod ParametersResults
string.slice()
( 
0
1
2
3
5
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stringObject.slice()