Use the find() method: From MDN: The find() method returns the first value in the array, if an element in the array satisfies the provided testing function. Otherwise undefined is returned. If you want to find its index instead, use findIndex(): From MDN: The findIndex() method returns the index of the first element in the … Read more
Jakye is right. Only bots can achieve this (but not in field titles, beware). Just do [link text here](url here). This embed description results in: this in the embed. Clicking on it directs you to countrycode.org. Using .addField(): If you want a bot’s message to just be a hyperlink, you need to make an embed, … Read more
Find the index of the array element you want to remove using indexOf, and then remove that index with splice. The splice() method changes the contents of an array by removing existing elements and/or adding new elements. Expand snippet The second parameter of splice is the number of elements to remove. Note that splice modifies … Read more
React creates a tree of custom objects representing a part of the DOM. For example, instead of creating an actual DIV element containing a UL element, it creates a React.div object that contains a React.ul object. It can manipulate these objects very quickly without actually touching the real DOM or going through the DOM API. … Read more
You are making a JSONP request, but the server is responding with JSON. The browser is refusing to try to treat the JSON as JSONP because it would be a security risk. (If the browser did try to treat the JSON as JSONP then it would, at best, fail). See this question for more details on what JSONP is. … Read more
You need the put the characters you wish to split on in a character class, which tells the regular expression engine “any of these characters is a match”. For your purposes, this would look like: Although dashes have special meaning in character classes as a range specifier (ie [a-z] means the same as [abcdefghijklmnopqrstuvwxyz]), if you put it as … Read more
Yes, that’s it. In the app.module.ts file, I just added:
If you’re only targeting modern browsers: Use element.classList.add to add a class: And element.classList.remove to remove a class: If you need to support Internet Explorer 9 or lower: Add a space plus the name of your new class to the className property of the element. First, put an id on the element so you can easily get a reference. Then Note the space … Read more
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, status, err.toString()) underlined. The err was actually thrown … 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 environments, you can assign to … Read more