js how to wait for a function to finish code example
Example 1: wait until a function finishes javascript
function firstFunction(_callback){
_callback();
}
function secondFunction(){
firstFunction(function() {
console.log('huzzah, I\'m done!');
});
}
Example 2: how to wait for a function to finish in javascript
function doFirst() {
return new Promise(function(resolve, reject) {
if (){
return reject(value);
}
resolve(value);
});
});
}
async function doSecond() {
var outputValue = await doFirst();
console.log(outputValue);
}