You have a list of things (array) and you would like to modify all of them in the same way.
eg:
url_list = ['google.com', 'apple.com', 'amazon.com']
desired output is for example:
www_url = ['www.google.com', 'www.apple.com', 'www.amazon.com']
What's the simplest way to update all of those values that work in Apps Script.
Simplest way seem to be by using "map" function.
var www_url = url_list.map((url) => 'www.' + url);
All you do is map new value in the place of old value and you have quite a lot of option in how you can modify it.
It also takes 2nd argument so you can specify different change for some positions. In my case I needed 1st record to look different.
var netWhitelist_values = url_list.map((url, index) =>
{
if (index === 0) return (url + '\\');
return ('\\n' + url + '\\');
});
forEach method not work in GAS? FYI, GAS is just JavaScript with a few twists (even more true since the shift to V8 runtime. Still, forEach worked in Rhino as well). Btw, if you want to build an initial rep, you can start by looking at completely unanswered questions and taking a shot at those you understand: stackoverflow.com/search?q=%5Bgoogle-apps-script%5D+answers%3A0The solution posted by @Landsil should work just fine with Apps Script, but in case it doesn't, you can rewrite it in a more traditional way:
for(let i=0; i<url_list.length; ++i) {
www_url[i] = 'www.' + url_list[i];
}
You could do something like this:
let url_list = ['google.com', 'apple.com', 'amazon.com']
url_list.forEach(item => {
console.log('www.' + item);
})
forEachdoes work in apps script.