08-27-周三_17-09-29

node_modules/phantom/samples/test_phantom_3.coffee

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+# Fucked up - on using PhantonJS to get results from pages
+phantom = require 'phantom'
+
+# Creates one process
+phantom.create (ph) ->
+  # Creates on page
+  ph.createPage (page) ->
+    page.open "http://wikitravel.org/en/singapore", (status) ->
+      console.log "opened page? ", status
+      someFunc = (aaa) ->
+        attribute_to_want = aaa
+        h2Arr = []
+        results = document.querySelectorAll(attribute_to_want)
+        for x in [0...results.length]
+          h2Arr.push(results[x].src)
+        return {
+          h2: h2Arr
+          aaa: this.aaa
+        }
+
+      finishedFunc = (result) ->
+        console.log result
+        ph.exit()
+
+      page.evaluate someFunc, finishedFunc, 'img'