So that's JavaScript. Simple huh? Maybe not so simple, but this article should at least give you a start, and some ideas on how to tackle the JavaScript-related problems you will come across....handling for Internet Explorer 6: js if (window.XMLHttpRequest) {...relevant code section is this: js function showHeroes(jsonObj)...
You should now have a styled Angular to-do list application that can add, edit, and remove items.
The next step is to add filtering so that you can look at items that meet specific criteria.... js @Component({ selector: 'app-item'...following to the same file's class: js remove(item: Item) { this.allItems...
Learn about the SpeechRecognitionErrorEvent interface, including its properties, code examples, specifications, and browser compatibility.... Examples js const recognition = new SpeechRecognition();...
A lookbehind assertion "looks behind": it attempts to match the previous input with the given pattern, but it does not consume any of the input — if the match is successful, the current position in the input stays the same. It matches each atom in its pattern in the reverse order.... For example, js /(?<=([ab]+)([bc]+))$/.exec("abc");...the number in a price label: js function getPrice(label) { return...
Learn about the SpeechSynthesis interface, including its properties and methods, code examples, specifications, and browser compatibility.... Examples First, an example: js let utterance = new SpeechSynthesisUtter("Hello...SpeechSynthesis.speak() method. js const synth = window.speechSynthesis;...
Learn about the CustomStateSet interface, including its properties and methods, code examples, specifications, and browser compatibility.... js class LabeledCheckbox extends...register the custom element: js customElements.define("labeled-checkbox"...
Learn about the MediaKeyMessageEvent interface, including its constructor, properties, and methods, code examples, specifications, and browser compatibility.... Examples js // TBD Specifications Specification...
Page load time is the time it takes for a page to load, measured from navigation start to the start of the load event.... js let time = performance.timing;...
Learn about the HTMLAnchorElement.hash property, including its type, code examples, specifications, and browser compatibility....hash of the anchor like this: js const anchor = document.getE...