判断结构

标签：rip   判断   ons   java   script   var   结构   current   javascrip   

```javascript
var mid = 25;
var high = 50;
var low =1;
var current = 13;
var found = -1;
if (current < mid) {
mid = (current - low) / 2;
console.log(mid); //6
}

var mid = 25;
var high = 50;
var low =1;
var current = 13;
var found = -1;
if (current < mid) {
mid = (current - low) / 2;
console.log(mid);
} else {
mid = (current + high) / 2;
console.log(mid);
}

var mid = 25;
var high = 50;
var low =1;
var current = 13;
var found = -1;
if (current < mid) {
mid = (current - low) / 2;
console.log(mid);
} else if (current > mid) {
mid = (current + high) / 2;
} else {
found = current;
console.log(found);
}

判断结构

标签：rip   判断   ons   java   script   var   结构   current   javascrip   

原文地址：https://www.cnblogs.com/itxcr/p/11600171.html