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JavaScript Math.log10() Function

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  • Last Updated : 07 Nov, 2022
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The Math.log10() is an inbuilt function in JavaScript that gives the value of base 10 logarithms of any number.

 Syntax:

Math.log10(p)

Parameters: This function accepts a single parameter p which is any number whose base 10 logarithms is to be calculated.

Returns: It returns the value of base 10 logarithms of any number

Let’s see some JavaScript code on this function:

Example : 

javascript




<script>
    // Different numbers are being taken
    // as the parameter of the function.
    console.log(Math.log10(1000));
    console.log(Math.log10(12));
    console.log(Math.log10(26));
    console.log(Math.log10(5));
</script>a


Output:

3
1.0791812460476249
1.414973347970818
0.6989700043360189

Example : 

javascript




<script>
    // Taken parameter from 1 to 19 incremented by 3.
    for (i = 1; i < 20; i += 3) {
        console.log(Math.log10(i) + "<br>");
    }
</script>


Output:

0
0.6020599913279624
0.8450980400142568
1
1.1139433523068367
1.2041199826559248
1.2787536009528289

Example : 

javascript




<script>
    // Parameters for this function should always be a
    // number otherwise it return NaN i.e, not a number
    // when its parameter taken as string.
    console.log(Math.log10("gfg"));
</script>


Output:

NaN

Example: This function gives an error when its parameter is taken as a complex number because it accepts only integer value as the parameter. 

javascript




<script>
// Parametes can never be a complex number because
// it accept only integer value as the parameter.
    console.log(Math.log10(1 + 2i));
</script>


Output:

Error: Invalid or unexpected token

Application: Whenever we need the value of base 10 logarithms of any number that time we take the help of this function.Its value needed many times in mathematics problems. 

Let’s see the JavaScript code for this application:

Example : 

javascript




<script>
    // taking parameter as number 14 and
    //calculated in the form of function.
    function value_of_base_10_logarithms_of_any_number()
    {
        return Math.log10(14);
    }
        console.log(value_of_base_10_logarithms_of_any_number());
</script>


Output:

1.146128035678238

Supported Browsers: The browsers supported by JavaScript Math.log10( ) function are listed below:

  • Google Chrome 1 and above
  • Internet Explorer 3 and above
  • Firefox 1 and above
  • Opera 3 and above
  • Safari 1 and above

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