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如何动态创建html元素?

[英]How to create html elements dynamically?

I have an array 我有一个数组

var elms = ["When?", "Why", "Where", ......]; 

I need to create the following elements 我需要创建以下元素

<html .. whatever> 

<div id="q1"> When?  </div>
<input type="text" id="a1"></input>

<div id="q2"> Why?  </div>
<input type="text" id="a2"></input>

<div id="q3"> Where?  </div>
<input type="text" id="a3"></input>

........
</html>

How can I do this ? 我怎样才能做到这一点 ?

PS: My original page has only this array var elms and nothing else. PS:我的原始页面只有这个数组var elms ,没有别的。 I need to create all those divisions and inputs. 我需要创建所有这些划分和输入。 I tried jquery, but messed up with the single and double quotes . 我尝试了jquery,但是弄乱了单引号和双引号。 . so I gave up. 所以我放弃了

 var el;
 var idName;
 for(var i = 0; i < elms.length; i++){
   idName = "q" + i;
   el = document.getElementById(idName);
   el.innerHTML = elms[i];
 } 

Start your div ids with a index of 0 ie id="q0" to make indexing easy 0的索引开始您的div ID,即id="q0"以使索引容易

You can also do this with jquery: 您也可以使用jquery执行此操作:

 var el;
 var idName;
 for(var i = 0; i < elms.length; i++){
   idName = "#q" + i;
   $(idName).html(elms[i]); 
   // items in the html( .. ) can be done only in 
   // newer versions of jquery (I think) correct me if im wrong
 } 

If they don't already exists: 如果尚不存在:

 var id;
 for(var i = 0; i < elms.length; i++){
  id = "q" + i;
  $("#containerDiv").append(
   "<div id="+id+">"+elms[i]+"</div><input type=\"text\" id=\"a2\"></input>"
   );
 }

Working jsFiddle Demo 工作jsFiddle演示

HTML: HTML:

<div id="result"></div>
<input type="button" id="mybutt" value="Go" />

jQuery: jQuery的:

var nextbit, cnt=0;
var elms = ["When?", "Why", "Where", "How"];

$('#mybutt').click(function(){
    $(this).hide(); //Hide the button
    elms.forEach(function(item){
        cnt++;
        nextbit = '<div id="q"'+cnt+'>' +item+ '</div>';
        nextbit +='<input type="text" id="a"'+cnt+'></input>';
        $('#result').append(nextbit);
    });
});

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