Post to Slack using javascript

fetch.js

// https://googlechrome.github.io/samples/fetch-api/fetch-post.html
var request = new Request('https://hooks.slack.com/services/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', {
      method: 'POST',
      body: JSON.stringify({text: 'Hello'}),
      headers: new Headers({'Content-type': 'application/json'})
    });
    fetch(request).then(function(response) { console.log(response)});

gistfile1.js

var url = // Webhook URL
var text = // Text to post
$.ajax({
    data: 'payload=' + JSON.stringify({
        "text": text
    }),
    dataType: 'json',
    processData: false,
    type: 'POST',
    url: url
});