Create Montreal_Price_Stripper.js

Montreal_Price_Stripper.js

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+/* Purpose of this task was to be able to scrape the list of prices onto 
+the console and sum them. This automates the manual copy and pasting work one would have to do
+Website scraped: https://www.mtlblog.com/lifestyle/cost-of-living-montreal
+*/
+
+// Target all the content on the page
+    let it = document.querySelectorAll('#article-text *');
+    // initialise a string
+    let words = "";
+    // cycle through each piece of content on the page
+    it.forEach(function(price, i) {
+    //store the HTML content in a variable
+    let money = price.innerHTML;
+    //concat the money HTML into an array called words
+    words = words + money;
+    // create a regular expression to match the dollar signs followed with a number i.e. the prices
+    let patt = /\$\d+/igm;
+    // store a variable matching the pattern of the regular expression created above
+    let pricing = words.match(patt);
+    // if the iteration of the array matches the node list length - 1
+if (i == it.length -1) {
+    // remove the dollar sign off the array
+   let freedom = pricing.map(x => x.replace(/\$/igm, ""));
+   // convert the array into numbers and store it into the variable conv
+    let conv = freedom.map(Number);
+    // log out the sum of the values onto the console
+    console.log(conv.reduce((a,b) => a+b,0));
+}
+    });