Examples of Cheerio.js methods and their usage

cheerioExamples.js

const cheerio = require('cheerio')

const responseBody = "<?xml version='1.0' encoding='us-ascii'?> \
<!--  A SAMPLE set of slides  --> \
<soap-env:envelope> \
<soap-env:header> \
<wsse:security xmlns:wsse=\"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd\">Assertion Here</wsse:security> \
</soap-env:header> \
<soap-env:body> \
<slideshow \
    title=\"Sample Slide Show\" \
    date=\"Date of publication\" \
    author=\"Yours Truly\" \
    > \
    <!-- TITLE SLIDE --> \
    <slide type=\"first\"> \
        <title>Wake up to WonderWidgets!</title> \
    </slide> \
    <!-- OVERVIEW --> \
    <slide type=\"second\"> \
        <title>Overview</title> \
        <item>Why <em>WonderWidgets</em> are great</item> \
        <item/> \
        <item>Who <em>buys</em> WonderWidgets</item> \
    </slide> \
    <slide type=\"third\"> \
    <title>I am the thirdest titlest</title> \
</slide> \
</slideshow> \
</soap-env:body> \
</soap-env:envelope>"

const $ = cheerio.load(responseBody, {
    ignoreWhitespace: true,
    xmlMode: true
  });

  // Render XML
  console.log($.xml())

  // Get slideshow node
  let slideshow = $('slideshow')
  
  // Get author attribute of slideshow node
  console.log($('slideshow').attr('author'))

  // Set author attribute node to Andrew
  console.log($('slideshow').attr('author', 'Andrew').html())
  
  // Remove date attribute of slideshow node
  $('slideshow').removeAttr('date')
  
  // Check if nodes are the same
  console.log($('slideshow').is('slideshow[title="Sample Slide Show"]'))
  console.log($('slideshow').is('slideshow'))
  
  // Find slide node under slideshow, matches to first occurence
  console.log($('slideshow').find('slide').length)

  // Find slide node, matching on type attribute equal to "second"
  console.log($('slideshow').find('slide[type="second"]').length)
  
  // Get parent node of slide, get it's attribute
  console.log($('slideshow').find('slide').parent().attr('author'))

  // Get parent node of slide, match by slideshow node attribute equal to "Sample Slide Show"
  console.log($('slideshow').find('slide').parents('slideshow[title="Sample Slide Show"]').length)
  
  // Get all chidren of slideshow node
  console.log($('slideshow').children().length)

  // Get child node of slideshow where attribute type of slide node equals "second"
  console.log($('slideshow').children('slide[type="second"]').html())

  // Get next node after first occurence of slide node under slideshow node
  console.log($('slideshow').find('slide').next().html())
  
  // Get previous node of slide node where type attribute equals "second"
  console.log($('slideshow').find('slide[type="second"]').prev().html())

  // For each node in slideshow return text of each node in an array, and join them all with a space
  console.log($('slideshow').map(function(i, el) {
    // this === el
    return $(this).text();
  }).get().join(' '));
  // Filter nd Each methods are similar

  // Get first node of all children from slideshow node
  console.log($('slideshow').children().first().html())

  // Get last node of all children from slideshow node
  console.log($('slideshow').children().last().html())

  // Get slide node under slideshow node, matching on first index
  console.log($('slideshow').find('slide').eq(1).html())

  // Get slide node tagName, based on index
  console.log($('slideshow').find('slide').get(1).tagName)

  // Append xml to slideshow node
  $('slideshow').append('<slide type="blah"><title>Wait I am a new slide!</title></slide>')

  // Prepend xml to slideshow node
  $('slideshow').prepend('<slide type="blah"><title>Wait I am a new slide!</title></slide>')

  // Add xml after matching slide node 
  $('slideshow').find('slide[type="second"]').after('<slide type="blah"><title>Wait I am a new slide!</title></slide>')

Forked from odevodyssey/cheerioExamples.js. Demonstrates the use of cheerio.js to process response body in XML format, instead of JSON.