小编Ash*_*Ash的帖子

I am trying to setup graphiql API but i m getting this error on the screen and network tab of console, i don't understand what is wrong as i have same boilerplate code running in other project. I tried removing httpServer, tried adding cors, checked almost all posts related to this error but could not figure out, please suggestCannot POST /graphql

import express from 'express';
import { createServer } from 'http';
import bodyParser from 'body-parser';
import { graphiqlExpress, graphqlExpress …

Basically, on hover i am changing the text color of a link, I was able to achieve what i needed, however, this looks too much of code for me, I believe there should be a better way. I am wondering if there is a better logic than this. Please suggest.

class App extends React.Component {
  constructor() {
    super();
    this.state = {
      link_su: false,
      link_si: false
    };
  }

  componentDidMount() {
    this.hover_signup = document.getElementById("signup");
    this.hover_signin = document.getElementById("signin");

    this.hover_signup.addEventListener("mouseenter", this.colorChange);
    this.hover_signup.addEventListener("mouseleave", this._colorChange);

    this.hover_signin.addEventListener("mouseenter", …