github.com/0chain/gosdk@v1.17.11/wasmsdk/demo/dom.js (about)

     1  const get = id => document.getElementById(id)
     2  
     3  const onClick = (id, callback) =>
     4      document.getElementById(id).addEventListener('click', callback)
     5  
     6  const setHtml = (id, html) => document.getElementById(id).innerHTML = html
     7  
     8  const readBytes = file => new Promise(resolve => {
     9    const reader = new FileReader()
    10    reader.onloadend = () => {
    11      resolve(new Uint8Array(reader.result))
    12    }
    13    reader.readAsArrayBuffer(file)
    14  })