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1_4_3_Contrast(Minimum)(AA).js
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1_4_3_Contrast(Minimum)(AA).js
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setTimeout(() => {
Contrast_Minimum__1_4_3()
}, 7000);
function Contrast_Minimum__1_4_3() {
$.fn.log = function () {
console.log.apply(console, this);
return this;
};
$(document).ready(function () {
$('*').each(function () {
if ($(this).prop("nodeName") == "DIV" ||
$(this).prop("nodeName") == "SPAN" ||
$(this).prop("nodeName") == "A" ||
$(this).prop("nodeName") == "P" ||
$(this).prop("nodeName") == "H1" ||
$(this).prop("nodeName") == "H2" ||
$(this).prop("nodeName") == "H3" ||
$(this).prop("nodeName") == "H4" ||
$(this).prop("nodeName") == "H5" ||
$(this).prop("nodeName") == "H6" ||
$(this).prop("nodeName") == "INPUT" ||
$(this).prop("nodeName") == "Q" ||
$(this).prop("nodeName") == "BLACKQUOTE" ||
$(this).prop("nodeName") == "CODE" ||
$(this).prop("nodeName") == "PRE" ||
$(this).prop("nodeName") == "OL" ||
$(this).prop("nodeName") == "LI" ||
$(this).prop("nodeName") == "DL" ||
$(this).prop("nodeName") == "DT" ||
$(this).prop("nodeName") == "DD" ||
$(this).prop("nodeName") == "MARK" ||
$(this).prop("nodeName") == "INS" ||
$(this).prop("nodeName") == "DEL" ||
$(this).prop("nodeName") == "SUP" ||
$(this).prop("nodeName") == "SUB" ||
$(this).prop("nodeName") == "SMALL" ||
$(this).prop("nodeName") == "I" ||
$(this).prop("nodeName") == "BOLD" ||
$(this).prop("nodeName") == "B" ||
$(this).prop("nodeName") == "FONT" ||
$(this).prop("nodeName") == "EM" ||
$(this).prop("nodeName") == "LEGEND" ||
$(this).prop("nodeName") == "ABBR") {
var textRoot = ""
$(this).contents().filter(function () {
return this.nodeType == Node.TEXT_NODE && this.nodeValue.trim() != '';
}).each(function () {
textRoot += $(this).text();
});
if ($.trim(textRoot)) {
var fontSize = $(this).css("font-size")
var fontWeight = $(this).css("font-weight")
var matches = fontWeight.match(/(\d+)/);
var fontWeightNumber = 0
if (matches) {
fontWeightNumber = parseInt(matches[0])
}
if (fontWeight == "normal" || fontWeightNumber < 700) {
// normal text
fS = parseInt(fontSize.replace("px", ""))
if (fS < 18) {
// Valid small scale text
var color1 = returnColorArr($(this).css("background-color"))
var color2 = returnColorArr($(this).css("color"))
var icontrast = contrast(color1, color2)
if (icontrast < 4.5) {
console.log("%cRule:%cWCAG 1.4.3 (2.0,AA)",
`color: #FFF;
background-color: #333;
border-radius: 5px 0px 0px 5px;
padding: 5px 10px;
font-size: 0.8rem;
display: inline;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`,
`color: #FFF;
display: inline;
font-size: 0.8rem;
background-color: #809FFF;
border-radius: 0px 5px 5px 0px;
padding: 5px 10px;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`)
console.log("%cError:%cContrast ratio of the element text color and its background is lesser than 4.5",
`color: #FFF;
background-color: #333;
border-radius: 5px 0px 0px 5px;
padding: 5px 10px;
font-size: 0.8rem;
display: inline;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`,
`color: #FFF;
display: inline;
font-size: 0.8rem;
background-color: #EB5177;
border-radius: 0px 5px 5px 0px;
padding: 5px 10px;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`)
console.log("%cCode Snippet:",
`color: #FFF;
background-color: #333;
border-radius: 5px;
padding: 5px 10px;
font-size: 0.8rem;
display: inline;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`)
$(this).log()
console.log("%cFix:%cFor a standard text (which is determined as per WCAG 2.0 AA guidelines) set the color contrast ratio to atleast 4.5",
`color: #FFF;
background-color: #333;
border-radius: 5px 0px 0px 5px;
padding: 5px 10px;
font-size: 0.8rem;
display: inline;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`,
`color: #FFF;
display: inline;
font-size: 0.8rem;
background-color: #007075;
border-radius: 0px 5px 5px 0px;
padding: 5px 10px;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`)
console.log("%c-----------------------------------------------------------------------------",
`color: #FFF;
background-color: #293543;
font-weight: bolder;
border-radius: 5px;
padding: 5px 10px;
font-size: 1rem;
display: inline;`)
}
}
else {
// Valid large scale text
var e1color1 = returnColorArr($(this).css("background-color"))
var e1color2 = returnColorArr($(this).css("color"))
var e1contrast = contrast(e1color1, e1color2)
if (e1contrast > 3) {
console.log("%cRule:%cWCAG 1.4.3 (2.0,AA)",
`color: #FFF;
background-color: #333;
border-radius: 5px 0px 0px 5px;
padding: 5px 10px;
font-size: 0.8rem;
display: inline;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`,
`color: #FFF;
display: inline;
font-size: 0.8rem;
background-color: #809FFF;
border-radius: 0px 5px 5px 0px;
padding: 5px 10px;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`)
console.log("%cError:%cContrast ratio of the bold element text color and its background is greater than 3",
`color: #FFF;
background-color: #333;
border-radius: 5px 0px 0px 5px;
padding: 5px 10px;
font-size: 0.8rem;
display: inline;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`,
`color: #FFF;
display: inline;
font-size: 0.8rem;
background-color: #EB5177;
border-radius: 0px 5px 5px 0px;
padding: 5px 10px;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`)
console.log("%cCode Snippet:",
`color: #FFF;
background-color: #333;
border-radius: 5px;
padding: 5px 10px;
font-size: 0.8rem;
display: inline;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`)
$(this).log()
console.log("%cFix:%cFor a larger bold text (which is determined as per WCAG 2.0 AA guidelines) set the color contrast ratio to atmost 3",
`color: #FFF;
background-color: #333;
border-radius: 5px 0px 0px 5px;
padding: 5px 10px;
font-size: 0.8rem;
display: inline;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`,
`color: #FFF;
display: inline;
font-size: 0.8rem;
background-color: #007075;
border-radius: 0px 5px 5px 0px;
padding: 5px 10px;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`)
console.log("%c-----------------------------------------------------------------------------",
`color: #FFF;
background-color: #293543;
font-weight: bolder;
border-radius: 5px;
padding: 5px 10px;
font-size: 1rem;
display: inline;`)
}
}
} else {
// bold text
e2fS = parseInt(fontSize.replace("px", ""))
if (e2fS < 14) {
// Valid small scale text
var e2color1 = returnColorArr($(this).css("background-color"))
var e2color2 = returnColorArr($(this).css("color"))
var e2contrast = contrast(e2color1, e2color2)
if (e2contrast < 4.5) {
console.log("%cRule:%cWCAG 1.4.3 (2.0,AA)",
`color: #FFF;
background-color: #333;
border-radius: 5px 0px 0px 5px;
padding: 5px 10px;
font-size: 0.8rem;
display: inline;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`,
`color: #FFF;
display: inline;
font-size: 0.8rem;
background-color: #809FFF;
border-radius: 0px 5px 5px 0px;
padding: 5px 10px;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`)
console.log("%cError:%cContrast ratio of the bold element text color and its background is lesser than 4.5",
`color: #FFF;
background-color: #333;
border-radius: 5px 0px 0px 5px;
padding: 5px 10px;
font-size: 0.8rem;
display: inline;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`,
`color: #FFF;
display: inline;
font-size: 0.8rem;
background-color: #EB5177;
border-radius: 0px 5px 5px 0px;
padding: 5px 10px;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`)
console.log("%cCode Snippet:",
`color: #FFF;
background-color: #333;
border-radius: 5px;
padding: 5px 10px;
font-size: 0.8rem;
display: inline;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`)
$(this).log()
console.log("%cFix:%cFor a bold text (which is determined as per WCAG 2.0 AA guidelines) set the color contrast ratio to atleast 4.5",
`color: #FFF;
background-color: #333;
border-radius: 5px 0px 0px 5px;
padding: 5px 10px;
font-size: 0.8rem;
display: inline;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`,
`color: #FFF;
display: inline;
font-size: 0.8rem;
background-color: #007075;
border-radius: 0px 5px 5px 0px;
padding: 5px 10px;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`)
console.log("%c-----------------------------------------------------------------------------",
`color: #FFF;
background-color: #293543;
font-weight: bolder;
border-radius: 5px;
padding: 5px 10px;
font-size: 1rem;
display: inline;`)
}
}
else {
// Valid large scale text
var e3color1 = returnColorArr($(this).css("background-color"))
var e3color2 = returnColorArr($(this).css("color"))
var e3contrast = contrast(e3color1, e3color2)
if (e3contrast > 3) {
console.log("%cRule:%cWCAG 1.4.3 (2.0,AA)",
`color: #FFF;
background-color: #333;
border-radius: 5px 0px 0px 5px;
padding: 5px 10px;
font-size: 0.8rem;
display: inline;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`,
`color: #FFF;
display: inline;
font-size: 0.8rem;
background-color: #809FFF;
border-radius: 0px 5px 5px 0px;
padding: 5px 10px;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`)
console.log("%cError:%cContrast ratio of the bold element text color and its background is greater than 3",
`color: #FFF;
background-color: #333;
border-radius: 5px 0px 0px 5px;
padding: 5px 10px;
font-size: 0.8rem;
display: inline;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`,
`color: #FFF;
display: inline;
font-size: 0.8rem;
background-color: #EB5177;
border-radius: 0px 5px 5px 0px;
padding: 5px 10px;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`)
console.log("%cCode Snippet:",
`color: #FFF;
background-color: #333;
border-radius: 5px;
padding: 5px 10px;
font-size: 0.8rem;
display: inline;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`)
$(this).log()
console.log("%cFix:%cFor a larger bold text (which is determined as per WCAG 2.0 AA guidelines) set the color contrast ratio to a value lesser than 3",
`color: #FFF;
background-color: #333;
border-radius: 5px 0px 0px 5px;
padding: 5px 10px;
font-size: 0.8rem;
display: inline;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`,
`color: #FFF;
display: inline;
font-size: 0.8rem;
background-color: #007075;
border-radius: 0px 5px 5px 0px;
padding: 5px 10px;
box-shadow: 0 0 25px rgba(0, 0, 0, 0.05);`)
console.log("%c-----------------------------------------------------------------------------",
`color: #FFF;
background-color: #293543;
font-weight: bolder;
border-radius: 5px;
padding: 5px 10px;
font-size: 1rem;
display: inline;`)
}
}
}
}
}
})
})
}
function luminance(r, g, b) {
var a = [r, g, b].map(function (v) {
v /= 255;
return v <= 0.03928
? v / 12.92
: Math.pow((v + 0.055) / 1.055, 2.4);
});
return a[0] * 0.2126 + a[1] * 0.7152 + a[2] * 0.0722;
}
function contrast(rgb1, rgb2) {
var lum1 = luminance(parseInt(rgb1[0]), parseInt(rgb1[1]), parseInt(rgb1[2]));
var lum2 = luminance(parseInt(rgb2[0]), parseInt(rgb2[1]), parseInt(rgb2[2]));
var brightest = Math.max(lum1, lum2);
var darkest = Math.min(lum1, lum2);
return (brightest + 0.05)
/ (darkest + 0.05);
}
function returnColorArr(color) {
var returnArr = []
if (color.includes("rgba")) {
Arr = color.toString().split(")")[0].split("(")[1].split(",")
var alpha, red, green, blue;
red = parseInt(Arr[0])
green = parseInt(Arr[1])
blue = parseInt(Arr[2])
alpha = parseInt(Arr[3])
returnArr.push(Math.round((1 - alpha) * 255 + (alpha * red)))
returnArr.push(Math.round((1 - alpha) * 255 + (alpha * green)))
returnArr.push(Math.round((1 - alpha) * 255 + (alpha * blue)))
} else {
returnArr = color.toString().split(")")[0].split("(")[1].split(",")
}
return returnArr
}