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Lodash _.delay


The Lodash _.delay method is a utility function that executes a callback function after a specified amount of time has elapsed. This method is helpful when you want to delay a particular function's execution for a certain amount of time without blocking the main thread.

The _.delay method takes two parameters, a function and a wait time in milliseconds. The first parameter, function, is the function that you want to execute after the specified wait time. The second parameter, wait, is the duration of milliseconds to delay the function's execution.

Here is an example usage of the _.delay method:

function greet(name) {
  console.log(`Hello, ${name}!`);

// Delay the execution of the greet function by 2 seconds
_.delay(greet, 2000, "John");

In the example above, the greet function is delayed by 2 seconds, and the name "John" is passed as a parameter to the function. After 2 seconds, the greet function will execute, and "Hello, John!" will be logged to the console.

It is also worth noting that the _.delay method returns a unique ID that you can use to cancel the delayed function execution. To cancel the delayed function execution, you need to use the _.cancelDelay method and pass the unique ID returned by the _.delay method.

In conclusion, the _.delay method gives you the flexibility to delay a function's execution for a specified period. It is an excellent choice when you do not want to pause the main thread or block the user interface's responsiveness.