JavaScript Examples Bible - UserWorks Technologies

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Chapter 1 ✦ Generic HTML Element Objects (Chapter 15) Example Rarely do you need to access this property in a script — unless you write an authoring tool that iterates through all elements of a page to extract the IDs assigned by the author. You can retrieve an object reference once you know the object’s id property (via the document.getElementById(elemID) method). But if for some reason your script doesn’t know the ID of, say, the second paragraph of a document, you can extract that ID as follows: var elemID = document.all.tags(“P”)[1].id innerHTML innerText NN2 NN3 NN4 NN6 IE3/J1 IE3/J2 IE4 IE5 IE5.5 Compatibility (✓) ✓ ✓ ✓ Example The IE4+ page generated by Listing 15-11 contains an H1 element label and a paragraph of text. The purpose is to demonstrate how the innerHTML and innerText properties differ in their intent. Two text boxes contain the same combination of text and HTML tags that replaces the inner content of the paragraph’s label. If you apply the default content of the first text box to the innerHTML property of the label1 object, the italic style is rendered as such for the first word. In addition, the text in parentheses is rendered with the help of the small style sheet rule assigned by virtue of the surrounding tags. But if you apply that same content to the innerText property of the label object, the tags are rendered as is. Use this as a laboratory to experiment with some other content in both text boxes. See what happens when you insert a tag within some text of both text boxes. Listing 15-11: Using innerHTML and innerText Properties innerHTML and innerText Properties H1 {font-size:18pt; font-weight:bold; font-family:”Comic Sans MS”, Arial, sansserif} .small {font-size:12pt; font-weight:400; color:gray} function setGroupLabelAsText(form) { var content = form.textInput.value Continued 25 elementObject.innerHTML
26 JavaScript Examples Bible: The Essential Companion to JavaScript Bible Listing 15-11 (continued) if (content) { document.all.label1.innerText = content } } function setGroupLabelAsHTML(form) { var content = form.HTMLInput.value if (content) { document.all.label1.innerHTML = content } } ARTICLE I Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the government for a redress of grievances. isContentEditable NN2 NN3 NN4 NN6 IE3/J1 IE3/J2 IE4 IE5 IE5.5 Compatibility ✓ elementObject.isContentEditable
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Page 8 and 9: About the Author Danny Goodman is t
Page 10 and 11: Preface Acommon thread running thro
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Page 14 and 15: Acknowledgments Because most of the
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192 FRAME.scrolling JavaScript Exam
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196 FRAMESET.cols JavaScript Exampl
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196 FRAMESET.cols JavaScript Exampl
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200 IFRAME.src JavaScript Examples
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234 document.height JavaScript Exam
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236 document.layers JavaScript Exam
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254 document.write() JavaScript Exa
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Body Text Objects (Chapter 19) The
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Note Chapter 5 ✦ Body Text Object
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Chapter 5 ✦ Body Text Objects (Ch
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width Chapter 5 ✦ Body Text Objec
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commonAncestorContainer Chapter 5
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Methods cloneContents() cloneRange(
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extractContents() Chapter 5 ✦ Bod
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var count = form.deleteCount.value
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inRange(otherRangeRef) Chapter 5
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TextRectangle Object Properties bot
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Image, Area, and Map Objects (Chapt
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Chapter 6 ✦ Image, Area, and Map
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dynsrc Chapter 6 ✦ Image, Area, a
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nameProp Chapter 6 ✦ Image, Area,
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start x y Chapter 6 ✦ Image, Area
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} Chapter 6 ✦ Image, Area, and Ma
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The Form and Related Objects (Chapt
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Chapter 7 ✦ The Form and Related
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length Chapter 7 ✦ The Form and R
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submit() Chapter 7 ✦ The Form and
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Button Objects (Chapter 24) The top
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Chapter 8 ✦ Button Objects (Chapt
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Checkbox Input Object Properties ch
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value Chapter 8 ✦ Button Objects
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Text-Related Form Objects (Chapter
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Chapter 9 ✦ Text-Related Form Obj
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document.forms[0].inspector.readOnl
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Chapter 9 ✦ Text-Related Form Obj
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} } Chapter 9 ✦ Text-Related Form
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onChange Chapter 9 ✦ Text-Related
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Select, Option, and Optgroup Object
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Chapter 10 ✦ Select, Option, and
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selectedIndex Chapter 10 ✦ Select
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Event handlers onChange Chapter 10
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Table and List Objects (Chapter 27)
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gColor Chapter 11 ✦ Table and Lis
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Now, adjust the cell spacing: docum
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NigerAtlantic Ocean26004180 Zamb
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Chapter 11 ✦ Table and List Objec
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type Chapter 11 ✦ Table and List
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Navigator and Other Environment Obj
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Chapter 12 ✦ Navigator and Other
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mimeTypes Chapter 12 ✦ Navigator
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screen Object Properties availLeft
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Event Objects (Chapter 29) As earli
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Chapter 13 ✦ Event Objects (Chapt
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Chapter 13 ✦ Event Objects (
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Figure 13-2: Clicking on one SPAN e
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clientX clientY layerX layerY pageX
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eventPhase Chapter 13 ✦ Event Obj
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String and Number Objects (Chapters
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Parsing methods string.charAt(index
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488 array.concat() JavaScript Examp
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490 array.concat() JavaScript Examp
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492 array.reverse() JavaScript Exam
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494 array.sort() JavaScript Example
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What’s on the CD-ROM The accompan
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A above property, 442-443 accessKey
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set to empty, 11 working with, 12 c
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location property, 238-240 methods,
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frames border, 197-198, 199 control
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onDragStart event handler, 103, 108
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insertBefore() method compatibility
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go(), 221-222 hasChildNodes(), 74-7
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onSelectStart event handler compati
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frame, 385-387 FRAME element object
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protocol property, 213 document obj
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self property compatibility, 149 ex
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text property BODY element object,
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X x property IE4+ event object, 413
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4. Restrictions on Use of Individua
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CD-ROM Installation Instructions Th
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