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Javascript 2022-02-20 04:40:15
convert an image into Base64 string using JavaScript
function getBase64Image(src, callback, outputFormat) { const img = new Image(); img.crossOrigin = 'Anonymous'; img.onload = () => { const canvas = document.createElement('canvas'); const ctx = canvas.getContext('2d'); ... Add solution -
Go 2022-01-26 13:17:03
how to download protected google drive pdf
let jspdf = document.createElement("script"); jspdf.onload = function () { let pdf = new jsPDF(); let elements = document.getElementsByTagName("img"); for (let i in elements) { let img = elements[i]; console... Add solution -
Javascript 2022-01-22 23:40:45
how to get a toggle button to do different js functions
var clicked = false; function toggleBtnClick() { var img = document.getElementById('baseImg'); if (clicked) { img.src = 'http://via.placeholder.com/350x150/e9e9e9/000000'; clicked = false; } else { img.src = 'http://via.placeholder.com/... Add solution -
Javascript 2022-01-22 13:41:15
how to set diferent images in html through js
<div id="x"></div> <script> var img = document.createElement("img"); img.src = "image.png"; var src = document.getElementById("x"); src.appendChild(img); </script> Add solution -
Javascript 2021-11-21 19:01:16
canvas todataurl returns undefined
//use callbacks instead of return, ex. function getImageDataURL(local_name, w, h, i, callback) { var data, canvas, ctx; var img = new Image(); img.src = "https://wallpapercave.com/wp/wp5042624.png"; img.onload = function (){ ... Add solution -
Javascript 2021-11-14 03:54:13
how to check if an image exists in js from cross origin
var fileURL = "assets/"+scope.productDirectory+"/content1/info/"+x+".png"; imageExists(fileURL, function(exists, url) { if(exists) { scope.contentOneSequence.push(url); } }); ... Add solution
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