Interview question 1

Wang yuanrou ==> Personal home page

Come on, everybody , I like to break knowledge into small knowledge points by columns , Just say a piece of knowledge , Therefore, each article is short , I hope you don't mind . If necessary, you can check the column to see if there are articles to explain the knowledge points involved in this article , If you think it helps , I hope you will support me for the third time in a row .

Recommended reading

The origin of things

 Last night, after dinner with female ticket , Go and send something to her best friend , After arriving at her best friend's house , My girl ticket and her best friend are chatting here and there , I'm bored , If I can't get in . Then he clicked on QQ Study Group , I just saw a group of friends send out the interview questions for his interview . as follows 

 I'll open it , The second question is OK , But I'm outside. I don't have a computer , Then he said 

 Well, help people to the end , I sent him the article I wrote about the third question 

Section oriented programming AOP

 follow-up 10 Come home at more than ten , Turn on the computer and answer it 

The second question is

const adjoin = function(arr, callback) {
    
    let result = [];
    let bridge = [];
    arr.forEach(function(item) {
    
        callback(item) ?
            bridge.push(item) : (() => {
    
                bridge.length > 0 ? result.push(bridge) : null;
                result.push(item);
                bridge = [];
            })()
    })
    if (bridge.length > 0) result.push(bridge);
    return result;
}

console.log(adjoin([1, 2, 3, 4, 5], item => item !== 3));
console.log(adjoin([1, 2, 3, 4], item => item < 3));

Third question

Function.prototype.eatFirst = function(msg) {
    
    const _this = this;
    return function() {
    
        (function() {
    
            console.log(`Eat ${
      msg}~`);
        })(...arguments)
        _this.call(this, ...arguments);
    };
};

Function.prototype.eat = function(msg) {
    
    const _this = this;
    return function() {
    
        _this.call(this, ...arguments);
        (function() {
    
            console.log(`Eat ${
      msg}~`);
        })(...arguments)
    };
};

function ManBehavior(msg) {
    
    console.log(`Hi This is ${
      msg}!`);
}

ManBehavior.call(ManBehavior, "Hank");
console.log("-------------");
ManBehavior.eat("dinner").eat("supper").call(ManBehavior, "Hank");
console.log("-------------");
ManBehavior.eat("dinner").eatFirst("lunch").call(ManBehavior, "Hank");
console.log("-------------");
ManBehavior
    .eat("dinner")
    .eatFirst("lunch")
    .eatFirst("breakfast")
    .call(ManBehavior, "Hank");

Conclusion

 Just learned this knowledge , So just review and share , Let's learn together. Come on , The next step is to find a job in Balabala in the Group , I got something on the way csdn Two concerns , Ha ha ha .

The end! ！