how can I use console.error or console.log in a vue template?

Question

I have a vue component with

gives

app.js:47961 [Vue war

Answer 1

Simplest way of providing global objects to the template is to place them in computed, like this:

console: () => console. Same goes for window,

computed: {
  console: () => console,
  window: () => window,
}

See it here.

Answer 2

If you want to run it inline instead of using a method, just add this to the form:

Codepen: https://codepen.io/x84733/pen/PaxKLQ?editors=1011

<form action="/" @keydown="this.console.log($event.target.name)">
  First: <input type="text" name="fname"><br>
  Second: <input type="text" name="fname2"><br>
</form>

But it'd be better to use a method instead of running functions inline, so you have more control over it:

<!-- Don't forget to remove the parenthesis -->
<form action="/" @keydown="debug">
  First: <input type="text" name="fname"><br>
  Second: <input type="text" name="fname2"><br>
</form>

...

methods: {
  debug (event) {
    console.log(event.target.name)
  }
} 

Answer 3

I'd make a getter for console template variable:

    get console() { return window.console; }

Answer 4

Also if you want to access console from {{ }} you can use global mixin:

Vue.mixin({
    computed: {
        console: () => console
    }
})

Answer 5

You can use this.console instead console or wrap call to console in a method, i am using eslint config with rule 'no-console': 'off'