question about creating custom App

[benjii]

Use this JavaScript as a starting point:

Code:

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async function send() {   var formdata = new FormData();   var url = '/scada-main/general/restore';   var el = document.getElementById('file');   formdata.append('file', el.files[0]);   var resp = await fetch(url, {     method: 'POST',     headers: { 'X-Requested-With': 'XMLHttpRequest' },     body: formdata   });   var res = await resp.json();   console.log(res); }

Where should I write the path of the project file i want to restore ?