10 examples of 'jquery remove background color' in JavaScript

240
function hideBackgroundColor(bool) {
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	if (bool) {
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		$('.overlay').find('div').css('background-color', '');
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	}
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}

30
function replaceColor(img, color) {
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    let { width, height, data: imgd } = img;
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    let rgba = rgbaRegex.exec(color);
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    let cred, cgreen, cblue, calpha;
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    if (rgba) {
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        cred = parseInt(rgba[1], 10);
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        cgreen = parseInt(rgba[2], 10);
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        cblue = parseInt(rgba[3], 10);
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        calpha = Math.round(parseFloat(rgba[4]) * 255);
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    }
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    else {
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        cred = parseInt(color.substr(1, 2), 16);
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        cgreen = parseInt(color.substr(3, 2), 16);
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        cblue = parseInt(color.substr(5, 2), 16);
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        calpha = parseInt(color.substr(7, 2), 16) || 0xff;
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    }
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    if (calpha === 0xff) {
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        for (var i = 0; i < imgd.length; i += 4) {
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            // Horrible workaround for imprecisions due to browsers using premultiplied alpha internally for canvas
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            let red = imgd[i];
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            if (red === imgd[i + 1] && red === imgd[i + 2] && (red === 0x80 || imgd[i + 3] < 0xff && red > 0x70)) {
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                imgd[i] = cred;
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                imgd[i + 1] = cgreen;
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                imgd[i + 2] = cblue;
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            }
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        }
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    }
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    else {
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        for (var i = 0; i < imgd.length; i += 4) {
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            let red = imgd[i];
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            let alpha = imgd[i + 3];
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            if (red === imgd[i + 1] && red === imgd[i + 2] && (red === 0x80 || alpha < 0xff && red > 0x70)) {
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                if (alpha === 0xff) {
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                    imgd[i] = cred;
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                    imgd[i + 1] = cgreen;
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                    imgd[i + 2] = cblue;
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                    imgd[i + 3] = calpha;
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                }
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                else {
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                    alpha = alpha * (1.0 / 255);
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                    imgd[i] = Math.round(cred * alpha);
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                    imgd[i + 1] = Math.round(cgreen * alpha);
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                    imgd[i + 2] = Math.round(cblue * alpha);
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                    imgd[i + 3] = Math.round(calpha * alpha);
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                }
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            }
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        }
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    }
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}

55
function setColor ( element )
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{
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	// set background
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	element.setBackgroundColor ( getBackgroundStyle ( data ) );
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}

61
function checkBackgroundColor(elemID) {
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    var foo = window.getComputedStyle(document.getElementById(elemID)).backgroundColor;
63
    return window.getComputedStyle(document.getElementById(elemID)).backgroundColor;
64
}

290
function setBackgroundStyles(image_url){
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	if (typeof image_url === 'string')
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		_currentImageURL = image_url;
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	else if (typeof _currentImageURL !== 'string')
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		return;
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	let url = _currentImageURL.replace(/"/g, '%22'),
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		styles = '#image{background-image:url("'+url+'");background-size:'+settings.crop+'}';
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	if (settings.crop === 'contain'){
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		$imageGhost.css('opacity','');
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		styles += '#image-ghost{display:block;background-image:url("'+url+'")}';
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	}
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	$style.html(styles);
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}

43
function setBackground(e) {
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    var myHTML = document.querySelector('html');
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    myHTML.style.backgroundImage = "url('" + e.target.src + "')";
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}

29
function removeCss(document: Document, ref: number) {
30
  if (injectedCache[ref] == null) {
31
    return;
32
  }
33
  const head = getHead(document);
34
  head.removeChild(injectedCache[ref]);
35
  delete injectedCache[ref];
36
}

91
function removeAllElementClass(className){
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	$("."+className, window.parent.document).removeClass(className);
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}

5
export function removeElement(domSelector) {
6
  $(domSelector).remove();
7
}

77
function calculateColorBackground(color) {
78
    // Converts HEX to YIQ to judge what color background the color would look best on
79
    color = color.replace(/[^0-9a-f]/gi, '');
80
    if (color.length < 6) {
81
        color = color[0] + color[0] + color[1] + color[1] + color[2] + color[2];
82
    }
83
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    const r = parseInt(color.substr(0, 2), 16);
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    const g = parseInt(color.substr(2, 2), 16);
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    const b = parseInt(color.substr(4, 2), 16);
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    const yiq = ((r * 299) + (g * 587) + (b * 114)) / 1000;
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    return yiq >= 128 ? 'dark' : 'light';
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}