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how can i concatenate string and variable in jquery selector? – Jquery ajax

<?php
for($i=0;$i<5;$i++){
?>
<button id="text<?php echo $i; ?>">hello </button>
<script>
var i=<?php echo $i; ?>;
  $(document).ready(function(){
     $("#text"+i).click(function(){
             alert("hello");
   })

})

</script>
<?php } ?>

If I have a varying id like this and I want to call it in jQuery using this code its give me no result. Where is the problem? How can I call an element like this button?

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2

Answers


  1. 0

    Would be better to move the script out of the loop, get the buttons all at once and then bind the click event:

    // Create all buttons, with class "text-button"
<?php for($i=0;$i<5;$i++): ?>
  <button class="text-button" id="text<?php echo $i; ?>">hello </button>
<?php endif; ?>

<script>
// On document ready
$(document).ready(function() {
  // Find all buttons with class "text-button"
  $(".text-button").click(function(e) {
    alert("hello");

    // Log the clicked button
    console.log(e.currentTarget);
    console.log(e.currentTarget.id);
  })
})
</script>
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  2. 0

    I am satisfied with @Emre’s answer. And also remove $(doucment).ready() will solve your problem. Like this.

    <?php
for($i=0;$i<5;$i++){
?>
<button id="text<?php echo $i; ?>">hello </button>
<script>
var i=<?php echo $i; ?>;
     $("#text"+i).click(function(){
             alert("hello");
   });
</script>
<?php } ?>
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