Search results
12 paź 2022 · JavaScript has both. In a switch statement, the comparison with the cases is via ===, and a string instance is not === to a string primitive. Three ways to fix it: If you change your switch to: switch (String(this)) {. ...that will turn it back into a primitive, whereupon your switch works.
24 maj 2010 · const str = 'XYZ test'; switch (str.toLowerCase()) { case String(str.match(/^xyz.*/i)): console.log("Matched a string without case sensitivity"); break; case String(str.match(/.*tes.*/)): console.log("Matched a string using a substring 'tes'"); break; }
Use switch to select one of many blocks of code to be executed. This is the perfect solution for long, nested if/else statements. The switch statement evaluates an expression. The value of the expression is then compared with the values of each case in the structure.
25 lip 2024 · The switch statement evaluates an expression, matching the expression's value against a series of case clauses, and executes statements after the first case clause with a matching value, until a break statement is encountered.
24 mar 2011 · You can get the value from the select element by passing "this.value" as a parameter to your function named test(this.value) and after that You should create the function with a parameter inside the script element and finally you can write console.log(number) inside this function to get Your selected value.
The JavaScript Switch Statement. Use the switch statement to select one of many code blocks to be executed. Syntax. switch (expression) { case x: // code block. break; case y: // code block. break; default: // code block. } This is how it works: The switch expression is evaluated once.
21 sty 2021 · Learn how to control your code execution using the switch case statement. Code examples included.
