To put it simply, you can convert a string into an expression and return the execution result.
Eval Method
See
String object
Applied to: Global Objects
Requirements
Version 1
Check JScript Code And execute.
Eval (codestring)
The required codestring parameter is a string value that contains valid JScript code. This string will be analyzed and executed by the JScript analyzer.
Description
The eval function allows JScript Source code . For example, the following code creates a new variable named mydate that contains the date object:
Eval ("Var mydate = new date ();");
The context when the Code passed to the eval method is executed is the same as that when the eval method is called. <textarea id="runcode79374"></textarea>
[Ctrl + A select all Note: If you need to introduce external JS, You need to refresh it to execute]
Let's look at this case:Hide the following text, and text. <p> remove the comment and run it. </P> <p>
[Ctrl + A select all Note: If you need to introduce external JS, You need to refresh it to execute]
