[英]how to display or append json data from js to html
how can we display JSON data from js to html 我们如何显示从js到html的JSON数据
here is the code i have tried 这是我尝试过的代码
<script>
$.ajax({
url:'load_categories.php',
type:'get',
data:{'from':loaded,'to':loadmore},
success: function (res) {
var categories = $.parseJSON(res);
var i=0;
for (var x in categories){
alert(categories.date_+i);
$('#categories').append('<div>'+(categories.date_+i+'</div>'); //not displaying on html
i++;
}
$('#loadmore').attr('num_loaded',(loaded+10));
}
});
</script>
<div id="categories"></div>
<?php
//load_categories.php
$res = mysql_query("SELECT * FROM impressions LIMIT $from,$to");
//echo "SELECT * FROM impressions LIMIT $from,$to";
$arr = array();
$i= 0;
while($row = mysql_fetch_array($res)) {
$arr['rec_id_'.$i] = $row['rec_id'];
$arr['date_'.$i] = $row['date'];
$i++;
}
echo json_encode($arr);
where im doing wrong... 我在哪里做错了...
i think something wrong with this categories.date_+i , how can we add 0,1,2,... 我认为这个category.date_ + i有问题 ,我们如何添加0,1,2,...
I've fixed your code please five it a try 我已修复您的代码,请尝试5次
The correct Code : 正确的代码:
<script>
$.ajax({
url:'load_categories.php',
type:'get',
data:{'from':loaded,'to':loadmore},
success: function (res) {
var categories = $.parseJSON(res);
for(var i=0;i< categories.length;i++)
{
var row = categories[i];
alert(row.date);
$('#categories').append('<div>'+row.date+'</div>'); //not displaying on html
}
$('#loadmore').attr('num_loaded',(loaded+10));
}
});
</script>
<div id="categories"></div>
<?php
//load_categories.php
$res = mysql_query("SELECT * FROM impressions LIMIT $from,$to");
//echo "SELECT * FROM impressions LIMIT $from,$to";
$arr = array();
while($row = mysql_fetch_array($res)) {
$arr[] = row;
}
echo json_encode($arr);
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