JavaScript是一种解释执行的脚本语言,是一种动态类型、弱类型、基于原型的语言,内置支持类型,它遵循ECMAScript标准。它的解释器被称为JavaScript引擎,为浏览器的一部分,广泛用于客户端的脚本语言,主要用来给HTML增加动态功能。 几乎所有主流的语言都可以编译为JavaScript,进而能够在所有平台上的浏览器中执行,这也体现了Java...
从左到右分别是: Pause/Resume script execution:暂停/恢复脚本执行(程序执行到下一断点停止)。 Step over next function call:执行到下一步的函数调用(执行当前断点所在行,跳到下一行且暂停)。 Step into next function call:进入当前函数,在第一行暂停。 Step out of current function:跳出当前执行函数。 Deacti...
The code will resume execution at the start of the loop (as a new iteration of the loop).You can also use a continue statement to execute a labeled statement.Syntax The syntax for the continue statement in JavaScript is: continue [label_name]; Parameters or Arguments label_name Optional. ...
over q ... Exit script debugger (resume execution) sx ... Display available events/exceptions to break on sxe <event> ... Enable break on <event> sxd <event> ... Disable break on <event> t ... Step in .attach ... Attach debugger to the script specified ...
to the console. This pattern of asynchronous callbacks proves beneficial in scenarios where tasks involve time-consuming operations, enabling the rest of the code to continue execution without being blocked during the asynchronous task’s completion. When to Use the Callback Function in JavaScript ...
This is the CFG node at which execution begins. Unlike the entry node, which is a synthetic construct, the start node corresponds to an actual program element: for top-levels, it is the first CFG node of the first statement; for functions, it is the CFG node corresponding to their first...
The Acrobat JavaScript Blacklist Framework introduced in versions 9.2 and 8.1.7 provides granular control over the execution of specific JavaScript APIs. This mechanism allows selective blocking of vulnerable APIs so that you do not have to resort to disabling JavaScript altogether. The blacklist is ...
functionmyFunction(name) { return"Hello "+ name; } Try it Yourself » More examples below. Description Thereturnstatement stops the execution of a function and returns a value. Read our JavaScript Tutorial to learn all you need to know about functions. Start with the introduction chapter abou...
ShowOpenSaveDialog. This script will evaluate the pszCaption variable to determine if the current dialog is an "Open" dialog or if it is a "Save As" dialog. If it's an open dialog, code execution will continue. If it's a save as dialog, code execution will stop, and the debugger ...
Try it Yourself » Description Thedebuggerstatement stops the execution of JavaScript, and calls the debugger. Note If no debugging is available, the debugger statement has no effect. Read ourJavaScript Debugging Tutorialfor more information about how to activate debugging if your browser. ...