title: Jquery, how to push in an array at a specific index?
body: <p>I can't figure out how to push a string in an array at a specific index. </p>
  
  <p>Here is my array : <code>var list = ['',''];</code></p>
  
  <p>I would like to be able to replace, for example, the first array entry, so the list would be : 
  <code>list = ['something',''];</code></p>
  
  <p>I tried to found a function for that, but nothing came up...</p>
  
  <p>I know that I can add a string to an array using 
  <code>list.push('something');</code> but I don't know how to do something like <code>list.pushThisAt(string, index);</code></p>
  
  <p>I need your help !</p>