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This article will explain in detail what is the use of the call method in JavaScript. Xiaobian thinks it is quite practical, so share it with you as a reference. I hope you can gain something after reading this article.

Call can call this function and modify the pointer of this when the function runs.

2. Point this of the parent type to this of the child type by call, so that the child type inherits the attributes of the parent type.

examples

//parent constructor function Father(uname, age) { this.name = uname; this.age = age; } //subconstructor function Son(uname, age, score) { Father.call(this, uname, age); this.score = score; } var son = new Son('ldh', 18, 100); console.log(son); About "JavaScript call method what to use" This article is shared here, I hope the above content can be of some help to everyone, so that you can learn more knowledge, if you think the article is good, please share it to let more people see.

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