node-red-nodes/function/random/random.html

<script type="text/x-red" data-template-name="random">
    <div class="form-row">
        <label for="node-input-property"><i class="fa fa-ellipsis-h"></i> <span data-i18n="node-red:common.label.property"></span></label>
        <input type="text" id="node-input-property" style="width:70%;"/>
    </div>
    <div class="form-row">
        <label for="node-input-inte"><i class="fa fa-random"></i> Generate</label>
        <select type="text" id="node-input-inte" style="width:70%;">
            <option value="true">a whole number - integer</option>
            <option value="false">a real number - floating point</option>
        </select>
    </div>
    <div class="form-row">
        <label for="node-input-low"><i class="fa fa-arrow-down"></i> From</label>
        <input type="text" id="node-input-low" placeholder="lowest number" style="width:70%;">
    </div>
    <div class="form-row">
        <label for="node-input-high"><i class="fa fa-arrow-up"></i> To</label>
        <input type="text" id="node-input-high" placeholder="highest number" style="width:70%;">
    </div>
    <br/>
    <div class="form-row">
        <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
        <input type="text" id="node-input-name" placeholder="Name" style="width:70%;">
    </div>
</script>
<script type="text/x-red" data-help-name="random">
    <p>Generates a random number between a low and high value.</p>
    <p>If you return an integer it can <i>include</i> both the low and high values.
    <code>min <= n <= max</code></p>
    <p>If you return a floating point value it will be from the low value, up to, but
    not including the high value. <code>min <= n < max</code></p>
</script>

<script type="text/javascript">
    RED.nodes.registerType('random',{
        category: 'function',
        color:"#E2D96E",
        defaults: {
            name: {value:""},
            low: {value:"1"},
            high: {value:"10"},
            inte: {value:"true"},
            property: {value:"payload",required:true}
        },
        inputs:1,
        outputs:1,
        icon: "debug.png",
        label: function() {
            return this.name||"random";
        },
        labelStyle: function() {
            return this.name?"node_label_italic":"";
        },
        oneditprepare: function() {
            if (this.property === undefined) {
                $("#node-input-property").val("payload");
            }
            $("#node-input-property").typedInput({default:'msg',types:['msg']});
        }
    });
</script>