ReactJS/JavaScript - My event.target.value showing string but string.lenght is undefined

I am trying to do autocomplete input but in my function onTextChange i have little problem my values is ok ( console.log ) but lenght of my values is still undefined.

I tried to inject all values to another strings or arrays but nothing.

...//some ok code before
...
...
onTextChange = (event) => {
            const value = event.target.value;
            let suggestions = [];
            console.log(value);                //Testing
            console.log(value.lenght);         //Testing -> doesn't work
            if(value.lenght > 0){              //Nothing do cuz undefined
                const regex = new RegExp(`^${value}`, 'i');
                 suggestions = this.items.sort().filter(v => regex.test(v));
                 console.log("Test!");//Testing
            }

           this.setState(() => ({suggestions, text: value}));

        }
...
...//some ok code after
...
render() {
        const { text } = this.state;
        return (
            <div >
               <input value={text} onChange={this.onTextChange} type="text"/> 
                 {this.renderSuggestion()}

            </div>
        );
    }