Học JavaScript qua ví dụ part 30 pdf
Học JavaScript qua ví dụ part 30 pdf
... ptg 260 Chapter 9 • JavaScript Core Objects or an object number type and JavaScript manages the conversion back and forth as neces- sary. The Number object was introduced in JavaScript 1.1. The ... square root of a negative number is illegal. JavaScript returns NaN, not a number, when this calculation is attempted (see Figure 9.36). From the Library of WoweBook.Com ptg 266 Chapter 9...
Ngày tải lên: 04/07/2014, 02:20
Học JavaScript qua ví dụ part 38 pdf
... buttons, checkboxes, and so on. JavaScript provides objects that parallel HTML tags; for example, the JavaScript form object parallels the HTML <form> tag and the JavaScript elements object ... Library of WoweBook.Com ptg 11.4 JavaScript and the form Object 341 11.4 JavaScript and the form Object In the previous example, the HTML form had nothing to do with JavaScript. After...
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Học JavaScript qua ví dụ part 41 pdf
... Input</title> <script type="text /javascript& quot;> 1 function showForm(myform) { 2 NewWin=window.open('','','width =300 ,height=200'); 3 name_input="<b>Your ... href="#" onClick=" ;JavaScript: myForm.submit();" /> Click here to submit this form</a> <p> 6 <a href="#" onClick=" ;Jav...
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Học JavaScript qua ví dụ part 45 pdf
... the image (hotspot) and the link that will be associated with that part of the image. The most time-consuming and boring part of this process is determining the coordinate positions for the ... to the src property of the JavaScript images[] array. EXAMPLE 12.4 <html> <head><title>HTML Images</title> <script type="text /javascript& quot;> 1 var ....
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Học JavaScript qua ví dụ part 62 pdf
... ptg 552 Chapter 14 • Introduction to CSS (Cascading Style Sheets) with JavaScript EXPLANATION 1 The HTML <style> tag belongs within the <head></head> ... tag in the body of the document and are useful for overriding an already existing style for a particular element in a linked style sheet. On the negative side, they have to be redefined for ... <link> Tag In Chapt...
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Học JavaScript qua ví dụ part 63 pdf
... disc} ul.circle {list-style-type: circle} ul.square {list-style-type: square} ul.none {list-style-type: none} </style> </head> <body bgcolor="aquamarine"> 2 <ul class="disc"> <li>Coffee</li> ... the ID selector and is enclosed in curly braces. <ul class="square"> <li>circle</li> <li>square</li>...
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Học JavaScript qua ví dụ part 75 pdf
... the layers; that is, the separation of markup from JavaScript. 15.8.2 The Scripting Way To keep the markup and the JavaScript separate, the JavaScript provided a way for pro- grammers to apply ... 15.18 <html> <title>Bubbling</title><head> <script type="text /javascript& quot;> /* This program behaves the same way in both Firefox and Internet Explor...
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Học JavaScript qua ví dụ part 77 pdf
... 40; } Continues From the Library of WoweBook.Com ptg 682 Chapter 15 • The W3C DOM and JavaScript 15.10 Unobtrusive JavaScript In Chapter 1 we started talking about the three layers that make up a ... rel=stylesheet type="text/css" href="externstyle.css"> <script type="text /javascript& quot;> var div1,div2,div3; 2 window.onload=function (){ 3 div1=docum...
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Học JavaScript qua ví dụ part 83 pdf
... string using a tab, colon, or comma as the delimiter. The delimiting characters are enclosed in square brackets, which in regular expression parlance is called a character class. (See the section ... <body> <big><font face="arial, helvetica"> <script type = "text /javascript& quot;> 1 var matchArray = new Array(); 2 var string="I love the smell...
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Học JavaScript qua ví dụ part 89 pdf
... 17.44 <html> <head><title>Validating Phone Numbers</title> <script type="text /javascript& quot;> function ok_Phone(phform){ 1 var regex = /^\(?\d{3}\)?-?\s*\d{3}\s*-?\d{4}$/; 2 ... <head><title>Validating E-Mail Addresses</title> <script type="text /javascript& quot;> 1 function ok_Email(eform){ 2 var regex = /^(([a-zA-Z0-9...
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