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JavaScript

Posted by Matt Bloomer
Matt Bloomer
10,608 Points

.prev

I have a question about .prev. Here is the code I am asking about, taken from one of the jQuery lessons:

//Prevent spoilerphobes from seeing spoilers
//Solution hide spoilers

//1. Hide spoiler
$(".spoiler span").hide();
//2.  Add button
$(".spoiler").append("<button>Reveal Spoiler!</button>");
//3.  When button pressed
$("button").click(function(){
  // 3.1  Show spoiler
  $(this).prev().show();
  //3.1 Show spoiler next to the button clicked
  $(".spoiler span").show();
  //3.2  Get rid of button
  $(this).remove();
});

The (this) is in reference to the button. My question is why does the .prev go all the way to the top and select the .spoiler span and not just the .spoiler? When one uses the .prev is it not just the element directly above it?

Jeff Jacobson-Swartfager
Jeff Jacobson-Swartfager
15,419 Points

I've updated your markdown so that your code is a bit more readable. Could you link to the lesson you're asking about?