https://jsfiddle.net/p73f9rLu/2/
Note:
learn how to use fetch
arrow function (ES6)
for( x of y) bug: default "var x", hoisting (x宣告為全域)
promise concept
asynchronous
https://jsfiddle.net/p73f9rLu/2/
Note:
learn how to use fetch
arrow function (ES6)
for( x of y) bug: default "var x", hoisting (x宣告為全域)
promise concept
asynchronous