Merge pull request #11968 from owncloud/drop-jquery-placeholder
drop unused jquery.placeholder
This commit is contained in:
Lukas Reschke
commit
9dc769c37a
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@ -19,7 +19,6 @@ filter:
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- 'core/js/underscore.js'
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- 'core/js/jquery.multiselect.js'
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- 'core/js/snap.js'
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- 'core/js/jquery.placeholder.js'
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imports:
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@ -7,7 +7,6 @@
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"jquery-migrate-1.2.1.min.js",
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"jquery-ui-1.10.0.custom.js",
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"jquery-showpassword.js",
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"jquery.placeholder.js",
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"jquery-tipsy.js",
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"underscore.js"
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],
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@ -1,216 +0,0 @@
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/*
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jQuery placeholder plugin
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by Andrey Kuzmin, @unsoundscapes
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Based on existing plugin http://mths.be/placeholder by @mathias
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and this demo http://robertnyman.com/2011/05/02/ by @robertnyman
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Adopted to toggle placeholder on user input instead of focus
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Released under the MIT license
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*/
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(function (factory) {
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'use strict';
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if (typeof define === 'function' && define.amd) {
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// AMD. Register as anonymous module.
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define(['jquery'], factory)
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} else {
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// Browser globals.
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factory(jQuery)
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}
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}(function ($) {
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'use strict';
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var isInputSupported = 'placeholder' in document.createElement('input')
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, isTextareaSupported = 'placeholder' in document.createElement('textarea')
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, $placeholders = $()
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function getAttributes (element) {
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// Return an object of element attributes
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var newAttrs = {}
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, rinlinejQuery = /^jQuery\d+$/
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$.each(element.attributes, function () {
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if (this.specified && !rinlinejQuery.test(this.name)) {
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newAttrs[this.name] = this.value
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}
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})
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return newAttrs
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}
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function setCaretTo (element, index) {
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// Set caret to specified @index
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if (element.createTextRange) {
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var range = element.createTextRange()
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range.move('character', index)
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range.select()
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} else if (element.selectionStart !== null) {
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element.focus()
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element.setSelectionRange(index, index)
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}
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}
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function Placeholder (element, options) {
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this.options = options || {}
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this.$replacement = this.$element = $(element)
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this.initialize.apply(this, arguments)
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// Cache all elements with placeholders
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$placeholders = $placeholders.add(element)
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}
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Placeholder.prototype = {
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initialize: function () {
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this.isHidden = true
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this.placeholderAttr = this.$element.attr('placeholder')
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// do not mess with default behavior
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this.$element.removeAttr('placeholder')
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this.isPassword = this.$element.is('[type=password]')
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if (this.isPassword) this.makeReplacement()
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this.$replacement.on({
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'keydown.placeholder': $.proxy(this.hide, this)
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, 'focus.placeholder drop.placeholder click.placeholder': $.proxy(this.setCaret, this)
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})
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this.$element.on({
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'blur.placeholder keyup.placeholder': $.proxy(this.show, this)
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})
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this.show()
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}
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// Set or get input value
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// Setting value toggles placeholder
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, val: function (value) {
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if (value === undefined) {
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return this.isHidden ? this.$element[0].value : '';
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}
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if (value === '') {
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if (this.isHidden) {
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this.$element[0].value = value
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this.show()
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}
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} else {
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if (!this.isHidden) this.hide()
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this.$element[0].value = value
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}
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return this
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}
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// Hide placeholder at user input
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, hide: function (e) {
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var isActiveElement = this.$replacement.is(':focus')
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if (this.isHidden) return;
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if (!e || !(e.shiftKey && e.keyCode === 16) && e.keyCode !== 9) {
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this.isHidden = true
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if (this.isPassword) {
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this.$replacement.before(this.$element.show()).hide()
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if (isActiveElement) this.$element.focus()
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} else {
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this.$element[0].value = ''
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this.$element.removeClass(this.options.className)
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}
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}
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}
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// Show placeholder on blur and keyup
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, show: function (e) {
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var isActiveElement = this.$element.is(':focus')
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if (!this.isHidden) return;
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if (this.$element[0].value === '') {
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this.isHidden = false
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if (this.isPassword) {
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this.$element.before(this.$replacement.show()).hide()
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if (isActiveElement) this.$replacement.focus()
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} else {
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this.$element[0].value = this.placeholderAttr
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this.$element.addClass(this.options.className)
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if (isActiveElement) this.setCaret(e)
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}
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}
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}
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// Set caret at the beginning of the input
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, setCaret: function (e) {
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if (e && !this.isHidden) {
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setCaretTo(this.$replacement[0], 0)
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e.preventDefault()
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}
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}
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// Make and return replacement element
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, makeReplacement: function () {
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// we can't use $.fn.clone because ie <= 8 doesn't allow type change
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var replacementAttributes =
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$.extend(
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getAttributes(this.$element[0])
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, { 'type': 'text'
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, 'value': this.placeholderAttr
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}
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)
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// replacement should not have input name
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delete replacementAttributes.name
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this.$replacement = $('<input>', replacementAttributes)
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.data('placeholder', this)
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.addClass(this.options.className)
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return this.$replacement;
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}
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}
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// Override jQuery val and prop hooks
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$.valHooks.input = $.valHooks.textarea = $.propHooks.value = {
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get: function (element) {
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var placeholder = $(element).data('placeholder')
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return placeholder ? placeholder.val() : element.value;
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}
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, set: function (element, value) {
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var placeholder = $(element).data('placeholder')
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return placeholder ? placeholder.val(value) : element.value = value;
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}
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}
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// Plugin definition
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$.fn.placeholder = function (option) {
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return this.each(function () {
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var $this = $(this)
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, data = $this.data('placeholder')
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, options = $.extend({}, $.fn.placeholder.defaults, typeof option === 'object' && option)
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if (!data && $this.is('[placeholder]') && (options.force ||
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!isInputSupported && $this.is('input') ||
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!isTextareaSupported && $this.is('textarea'))) {
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$this.data('placeholder', data = new Placeholder(this, options))
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}
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if (data && typeof option === 'string') data[option]()
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})
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}
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$.fn.placeholder.defaults = {
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force: false
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, className: 'placeholder'
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}
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$.fn.placeholder.Constructor = Placeholder
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// Events
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$(document).on('submit.placeholder', 'form', function () {
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// Clear the placeholder values so they don't get submitted
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$placeholders.placeholder('hide')
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// And then restore them back
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setTimeout(function () { $placeholders.placeholder('show') }, 10)
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})
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$(window).on('beforeunload.placeholder', function () {
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// Clear placeholders upon page reload
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$placeholders.placeholder('hide')
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})
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return Placeholder
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}));
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