Javascript Archives • Yoolk • Digital Ninja

function fetchJSONFile(path, callback) {
    var httpRequest = new XMLHttpRequest();
    httpRequest.onreadystatechange = function() {
        if (httpRequest.readyState === 4) {
            if (httpRequest.status === 200) {
                var data = JSON.parse(httpRequest.responseText);
                if (callback) callback(data);
            }
        }
    };
    httpRequest.open('GET', path);
    httpRequest.send(); 
}

fetchJSONFile('file.json', function(data){
	// Do something with Data
    console.log(data);
});

Trim Input Whitespace #Javascript

/* trim-whitespace-input.js*/
$('.no-spaces-field').keyup(function() {
  $(this).val($(this).val().replace(/ +?/g, ''));
});

Download Textarea Content as Html File #Javascript

/* Download Textarea Content as Html File.js */
$('#download-button').click(function() {
    if ('Blob' in window) {
        var fileName = prompt('Please enter file name to save', 'Untitled.html');
        if (fileName) {
            var textValue = $('textarea').html();
            var textToWrite = htmlDecode(textValue);
            var textFileAsBlob = new Blob([textToWrite], {
                type: 'application/xhtml+xml'
            });
            if ('msSaveOrOpenBlob' in navigator) {
                navigator.msSaveOrOpenBlob(textFileAsBlob, fileName);
            } else {
                var downloadLink = document.createElement('a');
                downloadLink.download = fileName;
                downloadLink.innerHTML = 'Download File';
                if ('webkitURL' in window) {
                    downloadLink.href = window.webkitURL.createObjectURL(textFileAsBlob);
                } else {
                    downloadLink.href = window.URL.createObjectURL(textFileAsBlob);
                    downloadLink.click(function() {
                        document.body.removeChild(event.target);
                    });
                    downloadLink.style.display = 'none';
                    document.body.appendChild(downloadLink);
                }
                downloadLink.click();
            }
        }
    } else {
        alert('Your browser does not support the HTML5 Blob.');
    }
});

Create iFrame from Textarea Content Html #Javascript

/* Create iFrame from Textarea Content Html */
function setFrame() {
    var HTMLval = TextareaContentID.value;
    var iframe = document.getElementById('iframeID');
    iframe.contentWindow.document.open();
    iframe.contentWindow.document.write(HTMLval);
    iframe.contentWindow.document.close();
}

Detect Click Outside of the Element #Javascript

 // Hide Div when Click Outside of the Element using jQuery / https://www.codexworld.com/
$(document).mouseup(function(e){
    var container = $("#elementID");

    // If the target of the click isn't the container
    if(!container.is(e.target) && container.has(e.target).length === 0){
        container.hide();
    }
});

Detect if iOs #Javascript

/* Detect iOs */
if (navigator.userAgent.match(/(iPod|iPhone|iPad)/)) {
// do something
}

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