pybuiltinfunc/dist/type/list.js

Python built-in Functions and Modules in Javascript

class List {
  constructor(value = []) {
    this.value = value;
  }
  append(item) {
    this.value.push(item);
  }
  insert(num = 0, item = "") {
    this.value[num] = item;
  }
  extend(newList = []) {
    let i;
    for (i in newList) {
      this.value.push(newList[i]);
      i++;
    }
  }
  remove(item) {
    const index = this.value.indexOf(item);
    if (index > -1) {
      this.value.splice(index, 1);
    }
  }
  pop(num) {
    if (!num) {
      this.value.pop();
    } else {
      this.value.splice(num, 1);
    }
  }
  clear() {
    this.value = [];
  }
  reverse() {
    this.value.reverse();
  }
  count(x) {
    let count = 0;
    this.value.forEach((item) => {
      if (item === x) {
        count++;
      }
    });
    return count;
  }
  copy() {
    return this.value.slice();
  }
  sort() {
    return this.value.sort();
  }
  return() {
    return this.value;
  }
}
module.exports.List = List;