x = findMax(1, 123, 500, 115, 44, 88);
function findMax() {
let max = -Infinity;
for (let i = 0; i < arguments.length; i++) {
if (arguments[i] > max) {
max = arguments[i];
}
}
return max;
}
btns = document.getElementsByClassName("saveBtn");
for (var i = 0; i < btns.length; i++) {
btns[i].addEventListener("click", function () {
//Add function here
});
}
var url = "http://scratch99.com/web-development/javascript/";
var urlParts = url.replace('http://','').replace('https://','').split(/[/?#]/);
var domain = urlParts[0];
const isRequired = () => { throw new Error('param is required'); };
const hello = (name = isRequired()) => { console.log(`hello ${name}`) };
// These will throw errors
hello();
hello(undefined);
// These will not
hello(null);
hello('David');
The idea here is that it uses default parameters, like how the b parameter here has a default if you don’t send it anything:
function multiply(a, b = 1) {
return a * b;
}
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