set default value to function parameter javascript code example
Example 1: javascript default parameters
function multiply(a, b = 1) {
return a * b;
}
Example 2: js default parameter
function greeting (name = 'stranger') {
console.log(`Hello, ${name}!`)
}
greeting('Nick')
greeting()
Example 3: javascript default function parameter value
function multiply(a, b) {
b = (typeof b !== 'undefined') ? b : 1
return a * b
}
Example 4: variable defaults javascript es6
let variableToSet = checkedValue || defaultValue;
Example 5: default value of functin atribute
function say(message='Hi', number=7) {
console.log(message);
console.log(number);
}
say();
Example 6: ES6: Set Default Parameters for Your Functions
const increment = (number, value = 1) => number + value;