![]() This pitfall might cause your cases not to execute as intended. Events as HTML Attributes All HTML elements on a webpage have a set of built-in events which fire under certain circumstances. The relationship between TypeScript (TS) and JavaScript (JS) is rather unique among modern programming languages, so learning more about this relationship will. There are a lot of events in JavaScript, and bunch of them are tied to HTML elements. ![]() In the example below, the string "2" is not equal to the number 2. JavaScript, being a language designed for user-interation, is event-driven. Switch statements use strict comparison, which can lead to unexpected results when comparing different data types. If no match is found, an optional default case can be executed as a fallback, meaning it runs when none of the other cases apply.įor example, here’s a simple switch statement that checks the value of a variable called day: switch (day ) // -Output- //□ Keep smiling! //☹️ Cheer up! Incorrect Comparison Values and Types If the value of the expression matches one of the cases, the associated code block (a set of instructions) is executed. The switch statement evaluates a given expression, which can be a variable or a value, and compares it to several possible cases. ![]() It is a more organized and concise alternative to using multiple if-else statements. The JavaScript switch statement is a way to make decisions in your code based on different conditions. ![]()
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