We often use anonymous functions as arguments of other functions. For example:
setTimeout(function () {
console.log('Execute later after 1 second')
}, 1000);Code language: JavaScript (javascript)We often use anonymous functions as arguments of other functions. For example:
setTimeout(function () {
console.log('Execute later after 1 second')
}, 1000);Code language: JavaScript (javascript)anonymous functions javascript
// Regular function, called explicitly by name .aka “named function”
function multiply(a, b){
var result = a * b;
console.log(result);
}
multiply(5, 3);
// Anonymous function stored in variable.
// Invoked by calling the variable as a function
// Anonymous functions don't have a name,
// so the parentheses appears right after “function” keyword.
var divided = function() {
var result = 15 / 3;
console.log("15 divided by 4 is " + result);
}
divided();
// Immediately Invoked Function Expression.
// Immediately invoked function expressions are anonymous functions
// with another parentheses pair at the end to trigger them,
// all wrapped inside parentheses.
// Runs as soon as the browser finds it:
(function() {
var result = 20 / 10;
console.log("20 divided by 10 is " + result);
}())Copyright © 2021 Codeinu
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