function delay(time) {
return new Promise(resolve => setTimeout(resolve, time));
}
delay(1000).then(() => console.log('ran after 1 second1 passed'));var colors = ["red","blue","green"];
for (var i = 0; i < colors.length; i++) {
console.log(colors[i]);
}var colors = ['red', 'green', 'blue'];
colors.forEach((color, colorIndex) => {
console.log(colorIndex + ". " + color);
});var arr = ["f", "o", "o", "b", "a", "r"];
for(var i in arr){
console.log(arr[i]);
}var colors = ["red","blue","green"];
colors.forEach(function(color) {
console.log(color);
});function in_array(needle, haystack){
var found = 0;
for (var i=0, len=haystack.length;i<len;i++) {
if (haystack[i] == needle) return i;
found++;
}
return -1;
}
if(in_array("118",array)!= -1){
//is in array
}