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1    history.go(0)
2    location.reload()
3    location=location
4    location.assign(location)
5    document.execCommand('Refresh')
6    window.navigate(location)
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JavaScript FAQ£¨¶þÊ®Èý£©

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oNewWindow = window.open( [sURL] [, sName] [, sFeatures] )
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JavaScript prototype ÊôÐÔ

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The prototype property allows you to add properties and methods to an
object.
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Syntax
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object.prototype.name=value
Example 1
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In this example we will show how to use the prototype property to add a
property to an object:
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