5 examples of 'javascript init function' in JavaScript

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function init() {
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    ui.Finder.id = '#finder_bar';
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    ui.Finder.tbox = '#tbox_finder';
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    $(ui.Finder.tbox).keyup(
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    function (event) {
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        if (event.keyCode == 13) { // Enter to search 
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            var query = $.trim($(ui.Finder.tbox).val());
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            if (query.length == 0) 
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                return;
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            if (ui.Finder.query != query) {
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                ui.Finder.search(query);
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                ui.Finder.next_result();
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            } else {
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                ui.Finder.next_result();
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            }
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        } else if (event.keyCode == 27) { //ESC to close
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            $('#btn_finder_close').click();
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            return false;
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        }
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    });
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    $('#btn_finder_next').click(
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    function (event) {
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        ui.Finder.next_result();
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        return false;
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    });
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    $('#btn_finder_prev').click(
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    function (event) {
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        ui.Finder.prev_result();
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        return false;
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    });
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    $('#btn_finder_close').click(
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    function (event) {
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        ui.Finder.clear();
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        ui.Finder.hide();
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        return false;
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    });
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    return this;
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},

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function init() {
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  var query = decodeURI(getParameterByName('query'));
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  var noWeb3 = document.getElementById('noWeb3')
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  // Web3 Initialization
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  window.addEventListener('load', function() {
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    if(typeof web3 !== 'undefined' && typeof Web3 !== 'undefined') {
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        // If there's a web3 library loaded, then make your own web3
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        web3 = new Web3(web3.currentProvider);
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        load();
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    } else if (typeof Web3 !== 'undefined') {
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        // If there isn't then set a provider
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        web3 = new Web3(new Web3.providers.HttpProvider("http://localhost:8545"));
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        load();
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    } else if(typeof web3 == 'undefined') {
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      // Alert the user he is not in a web3 compatible browser
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      console.log("not web3 compatible");
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      document.getElementById("noWeb3").style.display = "block";
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      return;
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    }
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  })
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}

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function init() {
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    ui.SearchTabs.search_entry = $('#tbox_search_entry');
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    $('#tbox_search_entry').keypress(
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    function (event) {
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        if (event.keyCode == 13) {
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            ui.SearchTabs.do_search(
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                $.trim(ui.SearchTabs.search_entry.attr('value')));
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        }
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    });
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    var search_btn 
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        = new widget.Button('#btn_search_entry');
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    search_btn.on_clicked = function (event) {
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        ui.SearchTabs.do_search(
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            $.trim(ui.SearchTabs.search_entry.val()));
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    };
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    search_btn.create();
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},

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function Initialize() {
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    for(prop in SbiJsInitializer)  {
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      if(prop != "initialize") {
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         eval("SbiJsInitializer."+prop+"()");
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      }
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    } 
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}

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function init () {
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    var _this = this;
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    $(document).keyup(
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    function (event) {
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        if (event.ctrlKey && event.keyCode == 192) { //Ctrl+`
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            if (_this.is_show) 
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                $('#console').hide();
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            else 
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                $('#console').show();
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            _this.is_show = !_this.is_show;
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            $('#console_in').focus();
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        }
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    });
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    $('#console_in').keyup(
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    function(event) {
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        if (event.keyCode == 13) {
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            var cmd = $(this).attr('value');
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            if (cmd == '') 
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                return;
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            $(this).attr('value', '');
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            _this.cmd_count += 1;
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            cmd_in = _this.form_result('in', cmd)
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            _this.raw_out(cmd_in);
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            _this.raw_out(_this.interpret(cmd));
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        }
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    });
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},