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如何使用javascript历史API(How to use javascript history API)

 在github的博客文章中，他们如何创建新的树滑块，他们将此作为使用的代码：  
$('#slider a').click(function() {
  history.pushState({ path: this.path }, '', this.href)
  $.get(this.href, function(data) {
    $('#slider').slideTo(data)      
  })
  return false  
})
 
 但是，我不知道这是如何工作的？ 他们AJAX请求整个新页面，所以从<html>到</html>包含，然后看似（使用一个名为'slideTo'的方法）将这些数据放入滑块元素？ 当然，你最终会在页面内找到一个页面（很可能是CSS故障）。  
 如何使用AJAX和History API，您是否只获得已更改的特定部分？ 或者是替换了html代码（但在上例中并非如此）？  
 实际的javascript github在哪里使用？ 我是对的，所给出的例子不能被使用，因为它不能正常工作？ 

In github's blog post about how they created the new tree slider, they give this as the code used: 
$('#slider a').click(function() {
  history.pushState({ path: this.path }, '', this.href)
  $.get(this.href, function(data) {
    $('#slider').slideTo(data)      
  })
  return false  
})
 
However I don't see how this works? They AJAX request the whole new page, so from <html> to </html> inclusive, then seemingly (using a method called 'slideTo'??) put this data into the slider element? Surely then you'd end up with a page within a page (likely with CSS glitches). 
How when using AJAX and History API, do you get only the specific section that has changed? Or is it that the html code is replaced (but this is not the case in the above example)? 
Where is the actual javascript github uses? And am I right that the example given can't be what is used as it won't work properly?

原文：https://stackoverflow.com/questions/6078645

更新时间：2022-02-12 12:02

最满意答案

 perldoc strict将显示未使用my声明的所有变量：  
$ perl -Mstrict=vars -c -e '$x=5; my $y=7; $z=6;'
Global symbol "$x" requires explicit package name at -e line 1.
Global symbol "$z" requires explicit package name at -e line 1.
-e had compilation errors.
 
 与文件列表相同：  
$ perl -Mstrict=vars -c *.pl
 
 这是另一种使用perldoc B :: Xref的方法  
$ perl -MO=Xref -e '$x=5; my $y=7; $z=6;'

... lots of verbose output

  Subroutine (main)
    Package (lexical)
      $y                i1
    Package main
      $x                1
      $z                1

perldoc strict will show all variables not declared with my: 
$ perl -Mstrict=vars -c -e '$x=5; my $y=7; $z=6;'
Global symbol "$x" requires explicit package name at -e line 1.
Global symbol "$z" requires explicit package name at -e line 1.
-e had compilation errors.
 
The same thing with a list of files: 
$ perl -Mstrict=vars -c *.pl
 
Here is another way using perldoc B::Xref 
$ perl -MO=Xref -e '$x=5; my $y=7; $z=6;'

... lots of verbose output

  Subroutine (main)
    Package (lexical)
      $y                i1
    Package main
      $x                1
      $z                1

如何使用javascript历史API(How to use javascript history API)

最满意答案

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