SetTimeout problem resolution in javascript
- 2020-03-30 02:54:22
- OfStack
If you see a problem, it looks something like this.
This is a pothole, javascript this is generated when called, but it also follows. Here's the solution. I tested it and used call.
Some online solutions
This point problem for setTimeout in js
(link: #)
In the end, it's still a question of understanding this.
One day to understand the point to continue to write
name = 'out of you'
foo = function(){
this.name = 'xxoo';
}
foo.prototype.say = function(){
console.log(this.name);
}
f = new foo();
f.say(); //This sentence will output xxoo
setTimeout(f.say, 500); //This will say out of you
This is a pothole, javascript this is generated when called, but it also follows. Here's the solution. I tested it and used call.
setTimeout.call(foo(), f.say, 500)
Some online solutions
This point problem for setTimeout in js
(link: #)
In the end, it's still a question of understanding this.
One day to understand the point to continue to write