js getelementsbytagname

ie in JS getElementsByTagName cannot get element bugs Definitions and usageThe getElementsByTagName () method returns a collection of objects with the specified label name. Grammardocument.getElementsByTagName (tagname) descriptionThe order in

function tag (Name,elem) {if (!document.getelementsbytagname) return false;Return (Elem | | document). getElementsByTagName (name);} document.getelementsbyclassname = function (Classname,obox) { Applies to getting all HTML elements

In the Web standard, you can use getelementbyid (), getelementsbyname (), and getelementsbytagname () to access any tag in the document. (1) getelementbyid (): Getelementbyid () can access a specific element in the document. As the name suggests,

The getelementsbytagname of JS and $ (élement) of JQ both get the elements in Dom, but they also have some differences and paste the Code:VaR El = Document. getelementsbytagname ('P ');VaR P = ' ';$ ('Body'). append (P );Console. Log (El. Length) //

In the Web standard, you can use getelementbyid (), getelementsbyname (), and getelementsbytagname () to access any tag in the document. (1) getelementbyid (): Getelementbyid () can access a specific element in the document. As the name suggests,

Web standards can access any of the tags in the document through getElementById (), Getelementsbyname (), and getElementsByTagName ().(1) getElementById ():getElementById () can access a specific element in the document, as the name implies, by

Copy codeThe Code is as follows:Function addEvent (o, c, h ){If (o. attachEvent ){O. attachEvent ('on' + c, h );} Else {O. addEventListener (c, h, false );}Return true ;}Var selectRow; // page-level js variable used to store selected rows.

Copy Code code as follows: function Addevent (o,c,h) { if (o.attachevent) { O.attachevent (' on ' +c,h); }else{ O.addeventlistener (C,h,false); } return true;} var selectrow;//page-level JS variable, used to save the selected rows, and

First declare DOM2 in Nodeiterator and treewalker these two types really just used to play, because performance does not traverse super slow, in JS basically do not use them, in addition to "elevation" there are two or three pages to explain it,

The table structure of HTML is as follows:Copy codeThe Code is as follows:Class = "tableStyle1" cellspacing = "0"> NO. Part Model part name quantity no tax price tax-included price Tax Amount payment integer operation 1 Readonly = 'true'/