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JavaScript enriched document content, javascript enriched document

Source: Internet
Author: User
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JavaScript enriched document content, javascript enriched document
Enrich JavaScript content

 

I. Introduction

 

Use JavaScript to enrich the document content. The main purpose is to create a list of abbreviations, links to documents, and shortcut keys for existing documents ". It is basically a function used previously, and there is nothing special to note.

 

II:

 

 

 

Iii. Details

 

You can use Sublime Text (install Emmet plug-in) or Jetbrain Webstorm to write HTML content, which improves efficiency by N times. If you are interested, you can introduce Baidu Google Emmet.

Example.html:

<!DOCTYPE html>




DisplayAbbreviations. js:



/** * Created by andychen on 2015/1/8. *//** * Change abbreviations display style. */function displayAbbreviations() {    if (!document.createElement) {return false;}    if (!document.createTextNode) {return false;}    if (!document.getElementsByTagName) {return false;}var h2 = document.createElement("h2");var h2Text = document.createTextNode("Abbreviations");h2.appendChild(h2Text);    var dl = document.createElement("dl");    var abbrArray = document.getElementsByTagName('abbr');    if (abbrArray.length == 0) {return false;}    for (var i = 0; i < abbrArray.length; i++) {        //Continue for loop if abbr is not supported by the current browser.        if (abbrArray[i].childNodes.length < 1) continue;    var abbrTitleNode = document.createTextNode(abbrArray[i].title);    var abbrTextNode = document.createTextNode(abbrArray[i].firstChild.nodeValue);    var dt = document.createElement("dt");    var dd = document.createElement("dd");    dd.appendChild(abbrTitleNode);    dt.appendChild(abbrTextNode);    dl.appendChild(dt);    dl.appendChild(dd);    }//document.body.appendChild(h2).appendChild(dl);document.body.appendChild(h2);document.body.appendChild(dl);}








DisplayAccessKeys. js:




/** * Created by andychen on 2015/1/8. */function displayAccessKeys (){    if (!document.getElementById) {        return false;    }    if (!document.getElementsByTagName) {        return false;    }    if (!document.createElement) {        return false;    }    var ulNode = document.getElementById("navigation");    var aList = ulNode.getElementsByTagName("a");    if (aList.length <= 0) {        return false;    }    var h3 = document.createElement("h3");    var newUl = document.createElement("ul");    for (var i = 0; i < aList.length; i++) {        var current_link = aList[i];        var current_link_value = current_link.lastChild.nodeValue;        var current_link_accesskey = current_link.accessKey;        if (!current_link_accesskey) continue;        var newLi = document.createElement("li");        var str = current_link_accesskey + ":" + current_link_value;        var newALink = document.createElement("a");        newALink.innerText = str;        newALink.href = current_link.href;        newALink.accessKey = current_link_accesskey;        newLi.appendChild(newALink);        newUl.appendChild(newLi);        console.info("accesskey:" + current_link_accesskey)    }    var accessKeyTile = document.createTextNode("AccessKey : ");    h3.appendChild(accessKeyTile);    document.body.appendChild(h3);    document.body.appendChild(newUl);}addEvent(displayAccessKeys);








AddLoadEvent. js:




/** * Created by andy on 1/7/2015. *//** * Multiple execute window.onload; */function addEvent(fun){var oldFunction = window.onload;if (!oldFunction) {window.onload = fun;} else {window.onload = function () {oldFunction();fun();}}}addEvent(displayAbbreviations);






Example.css:




body {    font-family: Helvetica, Arial, sans-serif;    font-size: 10pt;}abbr{    text-decoration: none;}

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Related Keywords:
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