30秒学会 React 片段 – CountDown
Renders a countdown timer that prints a message when it reaches zero. Use object destructuring to se...
Renders a countdown timer that prints a message when it reaches zero. Use object destructuring to se...
Returns true if the provided function returns true for at least one element of an array, false other...
Combines the elements of an enumerable object into a string. Use string.Join() to combine all elemen...
Converts a string from camelcase. Use String.prototype.replace() to remove underscores, hyphens, and...
Returns all the elements of a list except the last one. Check if lst has the appropriate length, use...
Escapes a string for use in HTML. Use String.prototype.replace() with a regexp that matches the char...
Returns a new MutationObserver and runs the provided callback for each mutation on the specified ele...
Returns the distance between two points. Use Math.hypot() to calculate the Euclidean distance betwee...
Capitalizes the first letter of a string. Use strings.ToUpper() to capitalize the first letter of th...
Truncates a string up to a specified length. Determine if the string’s length is greater than ...