How to decode a base64 string properly in javascript

I tried to convert a base64 string generated from pdf file using FileReader.readAsDataURL() to its original format.In NodeJS I did it like this and it was able generated the pdf to its initial state. filebuffer = “data:application/pdf;base64,JVBERi0xLjQKJSDi48/………..” let base64file = fileBuffer.split(‘;base64,’).pop(); fs.writeFileSync(‘download.pdf’,base64file,{encoding:’base64′},function(err){ if(err === null){ console.log(“file created”); return; } else{ console.log(err); return; } }) But…

How to decode Arabic characters using JavaScript (Only client side solution)

I have this text: var txt = ‘u0633\u0644\u0627\u0645’; // سلام and it means: سلام in Arabic. I need a JavaScript function that will transform this: u0633\u0644\u0627\u0645 to this: سلام for example: function convert(str){ // code here that convert each letter to Arabic for example or another decode solution … return new_str; } var txt =…

How to filter nested object in javascript

I have two object as registrationConditions = [ { “registrationTypeClassification”: “6f3c383c-506f-453b-8aa8-c9a4acebc5ef”, “glue”: “AND”, “filters”: [ { “fieldId”: “5b7b316a-76e8-483f-8b44-18a2f30dbbd6”, “operator”: “Equals”, “values”: [ “I agree” ] } ], “id”: “523d8b34-08a1-4e98-b69a-cbb08ad8f990” }, { “registrationTypeClassification”: “6f3c383c-506f-453b-8aa8-c9a4acebc5ef”, “glue”: “AND”, “filters”: [ { “fieldId”: “d6eda33e-a24a-4e81-a9f9-e101fee47cec”, “operator”: “Equals”, “values”: [ “1” ] }, { “fieldId”: “47fd3efc-e0ba-4b1b-af46-826f39dbd5ac”, “operator”: “Equals”, “values”: [ “xcdsf”…

How to pick an item from an array and keep on cycling through by using Javascript?

I actually want to pick an item from the array (A or B or C) and display it in a block. Then changes at 2 second interval and keep on cycling through. <script type=”text/javascript”> var arr = [“A”,”B”,”C”]; setInterval(function ChangeText() { var span = document.getElementById(“spnChanger”) var i = Math.floor(Math.random() * 3) span.innerHTML = arr[i] },…

how to properly make div tab in javascript to work with reactjs

The code below hide and show div when various tab is clicked and its working fine with javascript as per code below <!DOCTYPE html> <html> <head> </head> <body> <style> #t2, #t3 { display: none; } #t1{ display: block; } </style> <script> function tablet(indices) { document.getElementById(‘t1’).style.display=”none”; document.getElementById(‘t2’).style.display=”none”; document.getElementById(‘t3’).style.display=”none”; document.getElementById(indices).style.display=”block”; } </script> <a onclick=”tablet(‘t1’)”>Tab 1</a><br> <a onclick=”tablet(‘t2’)”>Tab…

How to insert an array into a nested JavaScript Object

The object i am currently using looks like this const data = { periods: [ { decisions: [ { bank: { name: “Team1” }, bSPositionDecisions: [ { totalInputRate: 1.0, balanceSheetPosition: { name: “asset_bc_lombard_a_onsight”, category: “LOMBARD_LOANS”, type: “ASSET” } }, { totalInputRate: 2.0, balanceSheetPosition: { name: “asset_bc_lombard_a_lt1m”, category: “LOMBARD_LOANS”, type: “ASSET” } } ] }, {…

Parse JSON output and extract value in javascript [duplicate]

This question already has an answer here: Javascript how to parse JSON array 9 answers My json output from service now is [{“errno”: “0”,”num_keys”: “0”}, {“errno”: “1”,”num_keys”: “2”}, {“errno”: “3”,”num_keys”: “4”}, {“errno”: “5”,”num_keys”: “6”}] In this, i want to extract each value if keys errno and num_keys. I am using the below code: var request…