The wording of the error message corresponds to what you get from Google Chrome when you run JSON.parse(‘<…’). I know you said the server is setting Content-Type:application/json, but I am led to believe the response body is actually HTML. Feed.js:94 undefined “parsererror” “SyntaxError: Unexpected token < in JSON at position 0” with the line console.error(this.props.url, … Read more
As the others have said, you can use var at global scope (outside of all functions and modules) to declare a global variable: (Note that that’s only true at global scope. If that code were in a module — <script type=”module”>…</script> — it wouldn’t be at global scope, so that wouldn’t create a global.) Alternatively: In modern … Read more
Update: In the latest versions of most popular browsers, you can use replaceAll as shown here: But check Can I use or another compatibility table first to make sure the browsers you’re targeting have added support for it first. For Node and compatibility with older/non-current browsers: Note: Don’t use the following solution in performance critical … Read more
Access-Control-Allow-Origin is a CORS (Cross-Origin Resource Sharing) header. When Site A tries to fetch content from Site B, Site B can send an Access-Control-Allow-Origin response header to tell the browser that the content of this page is accessible to certain origins. (An origin is a domain, plus a scheme and port number.) By default, Site … Read more
What is the difference between splice and slice?
This answer covers a lot of ground, so it’s divided into three parts: How to use a CORS proxy to get around “No Access-Control-Allow-Origin header” problems How to avoid the CORS preflight How to fix “Access-Control-Allow-Origin header must not be the wildcard” problems How to use a CORS proxy to avoid “No Access-Control-Allow-Origin header” problems … Read more
If I understood it right you are doing an XMLHttpRequest to a different domain than your page is on. So the browser is blocking it as it usually allows a request in the same origin for security reasons. You need to do something different when you want to do a cross-domain request. A tutorial about … Read more
To achieve expected result, use below option of creating bar chart for each row using chart.js Loop table data and create array of row data Create canvas using unique id for row Loop through the data array and create chart for each row data Note: Scale and legend must be adjusted as required for each … Read more
It’s not a jQuery feature but a feature for debugging purposes. You can for instance log something to the console when something happens. For instance: You’d then see #someButton was clicked in Firebug’s “Console” tab (or another tool’s console — e.g. Chrome’s Web Inspector) when you would click the button. For some reasons, the console … Read more
Consider tracing the values: Prints: The first column is ans, which is the sum of the current subarray. The second is sum, representing the sum of the greatest seen so far. The third is the element that was just visited. You can see that the contiguous subarray with the largest sum is 4, −1, 2, … Read more