How to get font properties of particular element in JavaScript ?

Last Updated : 18 Jun, 2019

Give a string element and the task is to get the font properties of a particular element using JavaScript.

Approach:

Store a string to the variable.
Then use element.style.property to get the propertyValue of that element property.

Example 1: This example gets the font-family of the element [id = ‘GFG_UP’].

<!DOCTYPE HTML> 
<html> 
    <head> 
        <title> 
            How to get the font family property of
            a particular element in JavaScript ?
        </title>
    </head> 
      
    <body style = "text-align:center;"> 
          
        <h1 style = "color:green;" > 
            GeeksForGeeks 
        </h1> 
          
        <p id = "GFG_UP" style =
            "font-size: 16px; font-family: sans-serif; font-weight: bold;">     
        </p>
          
        <button onclick = "gfg_Run()"> 
            Click here
        </button>
          
        <p id = "GFG_DOWN" style = 
            "color:green; font-size: 30px; font-weight: bold;">
        </p>
          
        <script>
            var el_up = document.getElementById("GFG_UP");
            var el_down = document.getElementById("GFG_DOWN");
          
            var str = "click on button to get the font property";
          
            el_up.innerHTML = str;
          
            function gfg_Run() {
                el_down.innerHTML =
                    "font-style is '" + el_up.style.fontFamily + "'";
            }         
        </script> 
    </body> 
</html>

Output:

Before clicking on the button:
After clicking on the button:

Example 2: This example gets the font-weight of the element [id = ‘GFG_UP’].

<!DOCTYPE HTML>  
<html>  
    <head> 
        <title> 
            How to get the font weight property of
            a particular element in JavaScript ?
        </title>
    </head> 
      
    <body style = "text-align:center;">
            
        <h1 style = "color:green;" >  
            GeeksForGeeks  
        </h1> 
          
        <p id = "GFG_UP" style = 
            "font-size: 16px; font-family: sans-serif; font-weight: bold;">     
        </p>
          
        <button onclick = "gfg_Run()"> 
            Click here
        </button>
          
        <p id = "GFG_DOWN" style =
            "color:green; font-size: 30px; font-weight: bold;">
        </p>
          
        <script>
            var el_up = document.getElementById("GFG_UP");
            var el_down = document.getElementById("GFG_DOWN");
              
            var str = "click on button to get the font property";
              
            el_up.innerHTML = str;
              
            function gfg_Run() {
                el_down.innerHTML = 
                    "font-weight is '"+el_up.style.fontWeight + "'";
            }           
        </script> 
    </body>  
</html>

Output:

Before clicking on the button:
After clicking on the button:

My Personal Notes

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How to get font properties of particular element in JavaScript ?