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              <section>
		<label for="password">Enter password</label>
		<input type="password" name="password" id="password">
	
		<meter max="4" id="password-strength-meter"></meter>
		<p id="password-strength-text"></p>
</section>
            
          
!
            
              @import url(https://fonts.googleapis.com/css?family=Signika:400,700|Courgette);

* {
	box-sizing: border-box;
}

body {
    padding: 2.5em 2em 0em;
    background: #f5f7f9;
		font-size: 1.5em;
		color: #346;
		font-family: Signika, -apple-system, sans-serif;
}

section {
	margin: 0em auto 0;
	width: 100%;
	max-width: 800px;
}

input {
    display: block;
    margin: .5em auto 0em;
    padding: 0.5em 1em 0.5em 0.7em;
    width: 100%;
    border: none;
    background: rgba(0,0,0,0.05);
    color: rgba(0,0,0,0.8);
    font-size: 2em;
    line-height: 0;
		transition: all .5s linear;
}

input:hover, input:focus {
	outline: 0;
	transition: all .5s linear;
	box-shadow: inset 0px 0px 10px #ccc;
}

meter {
    /* Reset the default appearance */
	-webkit-appearance: none;
	   -moz-appearance: none;
	        appearance: none;
            
	margin: 0 auto 1em;
	width: 100%;
	height: .5em;
    
    /* Applicable only to Firefox */
	background: none;
	background-color: rgba(0,0,0,0.1);
}

meter::-webkit-meter-bar {
	background: none;
	background-color: rgba(0,0,0,0.1);
}

meter[value="1"]::-webkit-meter-optimum-value { background: red; }
meter[value="2"]::-webkit-meter-optimum-value { background: yellow; }
meter[value="3"]::-webkit-meter-optimum-value { background: orange; }
meter[value="4"]::-webkit-meter-optimum-value { background: green; }

meter[value="1"]::-moz-meter-bar { background: red; }
meter[value="2"]::-moz-meter-bar { background: yellow; }
meter[value="3"]::-moz-meter-bar { background: orange; }
meter[value="4"]::-moz-meter-bar { background: green; }

.feedback {
	color: #9ab;
	font-size: 90%;
	padding: 0 .25em;
	font-family: Courgette, cursive;
	margin-top: 1em;
}
            
          
!
            
              var strength = {
		0: "Worst ☹",
		1: "Bad ☹",
		2: "Weak ☹",
		3: "Good ☺",
		4: "Strong ☻"
}

var password = document.getElementById('password');
var meter = document.getElementById('password-strength-meter');
var text = document.getElementById('password-strength-text');

password.addEventListener('input', function()
{
    var val = password.value;
    var result = zxcvbn(val);
	
    // Update the password strength meter
    meter.value = result.score;
   
    // Update the text indicator
    if(val !== "") {
        text.innerHTML = "Strength: " + "<strong>" + strength[result.score] + "</strong>" + "<span class='feedback'>" + result.feedback.warning + " " + result.feedback.suggestions + "</span"; 
    }
    else {
        text.innerHTML = "";
    }
});
            
          
!
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