<body>
<p>The global JavaScript function parseFloat() converts strings to numbers.</p>
<p id="demo"></p>
<script>
document.getElementById("demo").innerHTML =
parseFloat("10") + "<br>" +
// returns 10
parseFloat("10.33") + "<br>" +
// returns 10.33
parseFloat("10 20 30") + "<br>" + // returns 10
parseFloat("10 6") + "<br>" + // returns 10
parseFloat("10 years") + "<br>" + // returns 10
parseFloat("years 10");
// returns NaN
</script>
</body>
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The global JavaScript function parseFloat() converts strings to numbers.
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