The difference between parseInt and parseFloat in javascript_javascript skills

Look at the code first:

Copy the code The code is as follows:

<script> <br>alert(parseInt("3.54 apples")); <br>alert(parseFloat("3.54 apples")); <br></script>
<script><br>alert(parseInt(" 3.54 apples"));<br>alert(parseFloat("3.54 apples"));<br></script>

Running result:

Both methods parseInt() and parseFloat() start searching from the string on the left, if the first character is not a number or a negative sign (it can also be a decimal point in parseFloat()). Once they encounter such a character, they return the number they extracted