Javascript language

eval() Method in JavaScript
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Evaluates or executes an argument

If the argument is an expression, eval() evaluates the expression

If the argument is one or more JavaScript statements, eval() executes the statements

Syntax:

eval string

For example

<html>
<body>
<script language="javascript">
function fun_name(){
   var full_name = 'Aditya Tiwari';
   var mySentence = eval('"My name is " + full_name');
   alert(mySentence); 
}
</script>
<button onclick="fun_name()">Eval function</button>
</body>
</html>

Output:

floor()Method

The floor() method rounds a number to the nearest integer, and returns the result.

syntax:
Math.floor (value) 

For Example

<html>
<body>
<script language="javascript">
function math_val(){
   var val = 1.1;
   var stat = eval('"Actual value is=" + val +"  
	 "+ "After truncate value is= " + Math.floor(1.1)');
   alert(stat); 
}
</script>
<button onclick="math_val()">FLOOR</button>
</body>
</html>

Output:

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