Free web hosting services - Global Functions and Statements In addition to all
Global Functions and Statements In addition to all the objects and other language constructs described in the preceding chapters of this reference part of the book, several language items need to be treated on a global scale. These items apply to no particular objects (or any object), and you can use them anywhere in a script. If you read earlier chapters, you were introduced to many of these functions and statements. This chapter serves as a convenient place to highlight these all-important items that are otherwise easily forgotten. At the end of the chapter, note the brief introduction to several objects that are built into the Windows-only versions of Internet Explorer. Some of these objects have pointers to more details at Microsoft s Web site. This chapter begins with coverage of the following global functions and statements that are part of the core JavaScript language: Functions Statements decodeURI() // and /*…*/ (comment) decodeURIComponent() const encodeURI() var encodeURIComponent() escape() eval() isFinite() isNaN() Number() parseFloat() parseInt() toString() unescape() unwatch() watch() 42 CHAPTER …. In This Chapter Converting strings into object references Creating URL-friendly strings Adding comments to scripts ….
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