How to create a function using function constructor?

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The following example illustrates this. It creates a function called square with argument x and returns x multiplied by itself.

var square = new Function ("x","return x*x");

2011-08-16, 3992👍, 0💬

What is the difference unescape() and escape()?
What is the difference unescape() and escape()? These are similar to the decodeURI() and encodeURI(), but escape() is used for only portions of a URI: <script type="text/javascript"> var myvalue = "Sir Walter Scott"; document.write("Original myvalue: "+myvalue); document.write("<br />e... 2011-08-23, 4465👍, 0💬

What is the difference of decodeURI() and encodeURI()?
What is the difference of decodeURI() and encodeURI()? Many characters cannot be sent in a URL, but must be converted to their hex encoding. These functions are used to convert an entire URI (a superset of URL) to and from a format that can be sent via a URI. <script type="text/javascript"> v... 2011-08-30, 4165👍, 0💬

What is the eval() function?
What is the eval() function? The eval() method is incredibly powerful allowing you to execute snippets of code during exection. <script type="text/javascript"> var USA_Texas_Austin = "521,289"; document.write("Population is "+eval("USA_"+"Texas_"+"Austin "));</script> This produces: Po... 2011-08-09, 4137👍, 0💬

What's Prototypes for JavaScript?
What's Prototypes for JavaScript? Objects have "prototypes" from which they may inherit fields and functions. <script type="text/javascript"> function movieToString() { return("title: "+this.title+" director: "+this.director); } function movie(title, director) { this.title = title; this.direc... 2011-08-23, 4101👍, 0💬

How to create an object using JavaScript?
How to create an object using JavaScript? Objects can be created in many ways. One way is to create the object and add the fields directly. <script type="text/javascript"> var myMovie = new Object(); myMovie.title = "Aliens"; myMovie.director = "James Cameron"; document.write("movie: title is... 2011-08-02, 4083👍, 0💬

What does break and continue statements do?
What does break and continue statements do? Continue statement continues the current loop (if label not specified) in a new iteration whereas break statement exits the current loop. 2011-08-16, 4015👍, 0💬

How to create a function using function constructor?
How to create a function using function constructor? The following example illustrates this. It creates a function called square with argument x and returns x multiplied by itself. var square = new Function ("x","return x*x"); 2011-08-16, 3993👍, 0💬

How to shift and unshift using JavaScript?
How to shift and unshift using JavaScript? <script type="text/javascript"> var numbers = ["one", "two", "three", "four"]; numbers.unshift("zero"); document.write(" "+numbers.shift()); document.write(" "+numbers.shift()); document.write(" "+numbers.shift()); </script> This produces zero... 2011-08-02, 3875👍, 0💬

What is the maximum buffer size that can be specified using the DBMS_OUTPUT.ENABLE function?
What is the maximum buffer size that can be specified using the DBMS_OUTPUT.ENABLE function? 1000000 2011-09-05, 3835👍, 0💬

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